Guest Stars by Name
Notable Guest Stars:
| Guest Star | Character | Episode | # |
|---|---|---|---|
| Alan Alda | Milton | 3.21 - Mama Mia | 1 |
| 3.22 - Kidney Now! | 2 | ||
| Buzz Aldrin | Himself | 4.20 - The Moms | 1 |
| Jennifer Aniston | Claire Harper | 3.03 - The One with the Cast of Night Court | 1 |
| Fred Armisen | Raheem Haddad | 2.06 - Somebody to Love | 1 |
| Will Arnett | Devon Banks | 1.18 - Fireworks | 1 |
| 2.02 - Jack Gets in the Game | 2 | ||
| 2.13 - Succession | 3 | ||
| 3.01 - Do-Over | 4 | ||
| 4.02 - Into the Crevasse | 5 | ||
| 4.07 - Dealbreakers Talk Show | 6 | ||
| Elizabeth Banks | Avery Jessup | 4.13 - Anna Howard Shaw Day | 1 |
| 4.14 - Future Husband | 2 | ||
| 4.17 - Lee Marvin vs Derek Jeter | 3 | ||
| 4.20 - The Moms | 4 | ||
| 4.21 - Emanuelle Goes to Dinosaur Land | 5 | ||
| 4.22 - I Do Do | 6 | ||
| Roger Bart | Brad Halster | 3.17 - Cutbacks | 1 |
| David Alan Basche | Alan | 1.15 - Hardball | 1 |
| Joy Behar | Herself | 1.13 - Up All Night | 1 |
| Wayne Brady | Steven Black | 1.16 - Source Awards | 1 |
| Michael Bloomberg | Himself | 2.12 - Subway Hero | 1 |
| John Bon Jovi | Himself | 4.13 - Anna Howard Shaw Day | 1 |
| Matthew Broderick | Cooter Burger | 2.15 - Cooter | 1 |
| Steve Buscemi | Lenny Wosniak | 2.03 - The Collection | 1 |
| 3.20 - The Natural Order | 2 | ||
| 3.22 - Mama Mia | 3 | ||
| 4.01 - Season Four | 4 | ||
| Tucker Carlson | Hilmself | 1.15 - Hardball | 1 |
| James Carville | Himself | 2.08 - Secrets and Lies | 1 |
| Anna Chlumsky | Liz Lemler | 1.17 - The Fighting Irish | 1 |
| Tim Conway | Bucky Bright | 2.12 - Subway Hero | 1 |
| LL Cool J | Ridikolous | 1.16 - The Source Awards | 1 |
| Nathan Corrdry | Brian | 4.06 - Sun Tea | 1 |
| Matt Damon | Carol | 4.22 - I Do Do | 1 |
| Brian Dennehy | Mickey J | 2.14 - Sandwich Day | 1 |
| Peter Dinklage | Stewart | 3.07 - Senor Macho Solo | 1 |
| Rachel Dratch | Greta Johanssen | 1.01 - The Pilot | 1 |
| Maria | 1.02 - The Aftermath | 2 | |
| Elizabeth Taylor | 1.06 - Jack Meets Dennis | 3 | |
| Blue Dude | 1.07 - Tracy Does Conan | 4 | |
| Pamela Smew | 1.08 - The Break Up | 5 | |
| Greta Johanssen | 1.09 - The Baby Show | 6 | |
| Barbra Walters | 1.10 - The Rural Juror | 7 | |
| Vlem | 1.13 - Up All Night | 8 | |
| Greta Johanssen | 1.14 - The C Word | 9 | |
| Martha Blanch | 1.15 - Hardball | 10 | |
| Dr. Beauvior | 1.21 - Hiatus | 11 | |
| Jeff Dunham | Rick Wayne | 4.03 - Stone Mountain | 1 |
| Val Emmich | Jamie | 2.07 - Cougars | 1 |
| Edie Falco | Celeste Cunningham | 2.06 - Somebody to Love | 1 |
| 2.08 - Secrets and Lies | 2 | ||
| 2.10 - Episode 210 | 3 | ||
| 2.15 - Cooter | 4 | ||
| Jimmy Fallon | Himself | 4.03 - Stone Mountain | 1 |
| Siobhan Fallon | Patricia | 1.17 - The Fighting Irish | 1 |
| Will Ferrell | Shane Hunter | 4.17 - Lee Marvin vs Derek Jeter | 1 |
| 4.20 - The Moms | 2 | ||
| Carrie Fisher | Rosemary Howard | 2.04 - Rosemary’s Baby | 1 |
| Will Forte | Tomas | 1.12 - Black Tie | 1 |
| Will Forte | Paul | 4.19 - Argus | 1 |
| 4.22 - I Do Do | 2 | ||
| James Franco | Himself | 4.09 - Klaus and Greta | 1 |
| Kathy Lee Gifford | Herself | 4.16 - Floyd | 1 |
| Anita Gillette | Margret Lemon | 2.09 - Ludachristmas | 1 |
| 4.20 - The Moms | 2 | ||
| Whoopi Goldberg | Herself | 1.10 - The Rural Juror | 1 |
| 4.07 - Dealbreakers Talk Show | 2 | ||
| Al Gore | Himself | 2.05 - Greenzo | 1 |
| 4.06 - Sun Tea | 2 | ||
| Gilbert Gottfried | Himself | 4.04 - Audition Day | 1 |
| Dr. Sanjay Gupta | Himself | 4.10 - Black Light Attack! | 1 |
| Jon Hamm | Dr. Drew Baird | 3.10 - Generalissimo | 1 |
| 3.11 - St. Valentine’s Day | 2 | ||
| 3.15 - The Bubble | 3 | ||
| 4.13 - Anna Howard Shaw Day | 4 | ||
| 4.21 - Emanuelle Goes to Dinosaur Land | 5 | ||
| Chris Hansen | Himself | 1.08 - The Break Up | 1 |
| Salma Hayek | Elisa | 3.07 - Senor Macho Solo | 1 |
| 3.08 - Flu Shot | 2 | ||
| 3.10 - Generalissimo | 3 | ||
| 3.11 - St. Valentine’s Day | 4 | ||
| 3.12 - Jalisa | 5 | ||
| 3.17 - The Ones | 6 | ||
| Sean Hayes | Jesse Pacell | 1.21 - Hiatus | 1 |
| Buck Henry | Dick Lemon | 2.09 - Ludachristmas | 1 |
| Peter Hermann | Gary (The Hair) | 1.11 - The Head and the Hair | 1 |
| Edward Herrmann | Walter | 2.10 - Episode 210 | 1 |
| Lester Holt | Himself | 1.20 - Cleveland | 1 |
| 1.21 - Hiatus | 2 | ||
| 4.16 - Floyd | 3 | ||
| Jan Hooks | Verna | 4.12 - Verna | 1 |
| 4.20 - The Moms | 2 | ||
| Marceline Hugot | Kathy Geiss | 2.02 - Jack Gets in the Game | 1 |
| 2.13 - Succession | 2 | ||
| 2.14 - Sandwich Day | 3 | ||
| 2.15 - Cooter | 4 | ||
| 3.01 - Do-Over | 5 | ||
| 3.05 - Reunion | 6 | ||
| 4.04 - Audition Day | 7 | ||
| 4.06 - Sun Tea | 8 | ||
| 4.15 - Don Geiss, America and Hope | 9 | ||
| 4.19 - Argus | 10 | ||
| Rob Huebel | Himself | 2.11 - MILF Island | 1 |
| Cheyenne Jackson | Danny | 4.05 - The Problem Solvers | 1 |
| 4.08 - Secret Santa | 2 | ||
| 4.10 - Black Light Attack! | 3 | ||
| 4.16 - Floyd | 4 | ||
| 4.20 - The Moms | 5 | ||
| Ghostface Killah | Himself | 1.05 - Jack-tor | 1 |
| 1.16 - The Source Awards | 2 | ||
| Larry King | Himself | 3.12 - Jalisa | 1 |
| Gladys Knight | Herself | 2.10 - Episode 210 | 1 |
| Hoda Kotb | Herself | 4.16 - Floyd | 1 |
| Padma Lakshmi | Herself | 4.05 - The Problem Solvers | 1 |
| Nathan Lane | Eddie Donaghy | 1.17 - The Fighting Irish | 1 |
| Matt Lauer | Himself | 3.10 - Generalissimo | 1 |
| Matt Lauer | Himself | 4.09 - Klaus and Greta | 2 |
| John Lithgow | Himself | 3.13 - Goodbye, My Friend | 1 |
| Robyn Lively | Kelsey | 3.05 - Reunion | 1 |
| Patti LuPone | Sylvia | 3.13 - Goodbye, My Friend | 1 |
| 4.20 - The Moms | 2 | ||
| Stephanie March | Gretchen Thomas | 1.03 - Blind Date | 1 |
| Steve Martin | Gavin Volure | 3.04 - Gavin Volure | 1 |
| Jackie Mason | Himself | 2.03 - The Collection | 1 |
| Chris Matthews | Himself | 1.15 - Hardball | 1 |
| Brian McCann | The Head | 1.11 - The Head and the Hair | 1 |
| John McEnroe | Himself | 1.11 - The Head and the Hair | 1 |
| 3.04 - Gavin Volure | 2 | ||
| Janel Moloney | Jessica | 3.05 - Reunion | 1 |
| Julianne Moore | Nancy Donovan | 4.08 - Secret Santa | 1 |
| 4.11 - Winter Madness | 2 | ||
| 4.17 - Lee Marvin vs Derek Jeter | 3 | ||
| 4.21 - Emanuelle Goes to Dinosaur Land | 4 | ||
| 4.22 - I Do Do | 5 | ||
| Emily Mortimer | Phoebe | 1.19 - Corporate Crush | 1 |
| 1.20 - Cleveland | 2 | ||
| 1.21 - Hiatus | 3 | ||
| Megan Mullally | Bev | 3.01 - Do-Over | 1 |
| Brian Murray | Jack’s Dad | 1.17 - The Fighting Irish | 1 |
| Diane Neal | Erin | 3.05 - Reunion | 1 |
| Novella Nelson | Tracy’s Mom | 4.20 - The Moms | 1 |
| Night Court Cast | Themselves | 3.03 - The One with the Cast of Night Court | 1 |
| Conan O’Brien | Himself | 1.07 - Tracy Does Conan | 1 |
| Oprah | Herself | 3.02 - Believe in the Stars | 1 |
| Don Pardo | Sid | 3.17 - Cutbacks | 1 |
| Chris Parnell | Dr. Leo Spaceman | 1.07 - Tracy Does Conan | 1 |
| 1.09 - The Baby Show | 2 | ||
| 1.10 - The Rural Juror | 3 | ||
| 1.18 - Fireworks | 4 | ||
| 1.21 - Hiatus | 5 | ||
| 2.02 - Jack Gets in the Game | 6 | ||
| 2.13 - Succession | 7 | ||
| 3.08 - Flu Shot | 8 | ||
| 3.09 - Retreat to Move Forward | 9 | ||
| 3.14 - The Funcooker | 10 | ||
| 3.22 - Kidney Now! | 11 | ||
| 4.06 - Sun Tea | 12 | ||
| 4.07 - Dealbreakers Talk Show | 13 | ||
| Paula Pell | Paula Hornberger | 2.05 - Greenzo | 1 |
| 3.22 - Kidney Now! | 2 | ||
| 4.01 - Season Four | 3 | ||
| 4.22 - I Do Do | 4 | ||
| Maury Povich | Himself | 1.18 - Fireworks | 1 |
| Paul Reubens | Gerhardt Habsburg | 1.12 - Black Tie | 1 |
| Andy Richter | Mitch Lemon | 2.09 - LudaChristmas | 1 |
| Al Roker | Himself | 1.18 - Fireworks | 1 |
| Isabella Rossellini | Bianca | 1.12 - Black Tie | 1 |
| 1.13 - Up All Night | 2 | ||
| Paul Scheer | Donny Lawson | 2.04 - Rosemary’s Baby | 1 |
| 2.15 - Cooter | 2 | ||
| Horatio Sanz | Maynard | 4.13 - Anna Howard Shaw Day | 1 |
| David Schwimmer | Greenzo | 2.05 - Greenzo | 1 |
| Martin Scorcece | Himself | 4.04 - Audition Day | 1 |
| Jerry Seinfeld | Himself | 2.01 - Seinfeld Vision | 1 |
| Molly Shannon | Katherine Catherine | 1.17 - The Fighting Irish | 1 |
| Michael Sheen | Wesley | 4.14 - Future Husband | 1 |
| 4.15 - Don Geiss, America and Hope | 2 | ||
| 4.21 - Emanuelle Goes to Dinosaur Land | 3 | ||
| 4.22 - I Do Do | 4 | ||
| Sherri Shepherd | Angie Jordan | 1.13 - Up All Night | 1 |
| 2.02 - Jack Gets in the Game | 2 | ||
| 2.03 - The Collection | 3 | ||
| 3.07 - Senor Macho Solo | 4 | ||
| 3.22 - Kidney Now! | 5 | ||
| 4.07 - Dealbreakers Talk Show | 6 | ||
| Elaine Stritch | Colleen Donaghy | 1.21 - Hiatus | 1 |
| 2.09 - LudaChristmas | 2 | ||
| 3.06 - Christmas Special | 3 | ||
| 3.20 - The Natural Order | 4 | ||
| 4.20 - The Moms | 5 | ||
| Jason Sudeikis | Floyd | 1.13 - Up All Night | 1 |
| 1.16 - The Source Awards | 2 | ||
| 1.17 - The Fighting Irish | 3 | ||
| 1.18 - Fireworks | 4 | ||
| 1.19 - Corporate Crush | 5 | ||
| 1.20 - Cleveland | 6 | ||
| 1.21 - Hiatus | 7 | ||
| 2.14 - Sandwich Day | 8 | ||
| 4.13 - Anna Howard Shaw Day | 9 | ||
| 4.16 - Floyd | 10 | ||
| 4.21 - Emanuelle Goes to Dinosaur Land | 11 | ||
| 4.22 - I Do Do | 12 | ||
| Maria Thayer | Jennifer Rodgers | 3.11 - St. Valentine’s Day | 1 |
| Bobb’e J. Thompson | Tracy Jr. | 3.15 - The Bubble | 1 |
| Tracy Jr. | 4.06 - Sun Tea | 2 | |
| Rip Torn | Don Geiss | 1.14 - The C Word | 1 |
| 1.19 - Corporate Crush | 2 | ||
| 2.02 - Jack Gets in the Game | 3 | ||
| 2.13 - Succession | 4 | ||
| 2.14 - Sandwich Day | 5 | ||
| 3.05 - Reunion | 6 | ||
| 3.12 - Larry King | 7 | ||
| Meredith Vieira | Herself | 2.05 - Greenzo | 1 |
| 3.12 - Jalisa | 2 | ||
| 3.15 - The Bubble | 3 | ||
| 4.16 - Floyd | 4 | ||
| Christopher Walken | Himself | 4.04 - Audition Day | 1 |
| Jack Welch | Himself | 4.14 - Future Husband | 1 |
| Adam West | Himself | 3.16 - Apollo, Apollo | 1 |
| Betty White | Herself | 4.03 - Stone Mountain | 1 |
| Kristen Wiig | Candace Van der Shark | 2.06 - Somebody to Love | 1 |
| Larry Wilcox | Himself | 4.08 - Secret Santa | 1 |
| Brain Williams | Himself | 3.19 - The Ones | 1 |
| 4.04 - Audition Day | 2 | ||
| 4.14 - Future Husband | 3 | ||
| Dean Winters | Dennis Duffy | 1.06 - Jack Meets Dennis | 1 |
| 1.07 - Tracy Does Conan | 2 | ||
| 1.08 - The Break Up | 3 | ||
| 2.12 - Subway Hero | 4 | ||
| 2.15 - Cooter | 5 | ||
| 3.16 - Apollo, Apollo | 6 | ||
| 4.13 - Anna Howard Shaw Day | 7 | ||
| 4.21 - Emanuelle Goes to Dinosaur Land | 8 | ||
