| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Amy Beth Silver | Crew | Art | Production Design | 8 |
M. Blair Breard | Crew | Production | Executive Producer | 53 |
Dave Becky | Crew | Production | Executive Producer | 61 |
 Louis C.K. | Crew | Production | Executive Producer, Writer, Director, Story, Teleplay, Creator | 61 |
 Pamela Adlon | Crew | Production | Producer, Writer, Story | 53 |
 Robert Smigel | Crew | Writing | Story | 1 |
 Steven Wright | Crew | Writing | Story | 1 |
 Vernon Chatman | Crew | Production | Producer | 53 |
 Tony Hernandez | Crew | Production | Producer | 53 |
Lilly Burns | Crew | Production | Producer | 53 |
 Abraham Alvarez | Cast | Actor | Louie's Father | 1 |
Adam Escott | Cast | Actor | A.D. | 1 |
 Amy Landecker | Cast | Actress | Louie's Mother | 1 |
 Ann Dowd | Cast | Actress | Sister Carson | 1 |
Ardie Fuqua | Cast | Actor | Ardie | 1 |
Barbara Spiegel | Cast | Actress | Joan | 1 |
 Bobby Cannavale | Cast | Actor | Chris | 2 |
 Cary Woodworth | Cast | Actor | Guy #2 | 1 |
 Chris Rock | Cast | Actor | Chris | 4 |
Chuck Sklar | Cast | Actor | Osama Bin Laden | 1 |
 Dan Ziskie | Cast | Actor | Sheriff | 1 |
 David Lynch | Cast | Actor | Jack Dall | 2 |
 David Patrick Kelly | Cast | Actor | Therapist | 1 |
 Donna Hanover | Cast | Actress | Gloria | 1 |
 Eddie Brill | Cast | Actor | Eddie | 1 |
 Gerry Vichi | Cast | Simon | 1 | |
 Godfrey | Cast | Actor | Godfrey | 1 |
 Gregory Gunter | Cast | Actor | Dennis | 1 |
 Jay Oakerson | Cast | Actor | Bathroom Guy | 1 |
 Jeremy Renner | Cast | Actor | Jeff Davis | 1 |
 Josh Hamilton | Cast | Actor | Jeff | 1 |
 Kate Blumberg | Cast | Actress | Martha | 1 |
 Kelly Deadmon | Cast | Actress | Lisa | 1 |
 Laurine Towler | Cast | Parent #1 | 1 | |
Louis C.K. | Cast | Actor | Louie | 61 |
 Manny Siverio | Cast | Actor | Comedy Cellar Patron (uncredited) | 1 |
 Martin Pfefferkorn | Cast | Actor | Homeless Replacement (uncredited) | 1 |
 Mary Louise Wilson | Cast | Actress | Dorethy | 1 |
 Matthew Broderick | Cast | Actor | Matthew Broderick | 1 |
 Nancy Robinette | Cast | Woman Passenger | 1 | |
 Nick Di Paolo | Cast | Actor | Nick | 4 |
Pamela Adlon | Cast | Actress | Pamela | 38 |
 Parker Posey | Cast | Actress | Liz | 4 |
 Peter Hans Benson | Cast | Actor | Ken | 1 |
 Ricky Gervais | Cast | Actor | Dr. Ben | 2 |
 Robin Williams | Cast | Actor | Robin | 1 |
 Rusty Schwimmer | Cast | Actress | Gretchen | 1 |
 Skipp Sudduth | Cast | Actor | Mr. Hoffman | 1 |
 Stephanie Berry | Cast | Actress | Principal | 1 |
 Stephen C. Bradbury | Cast | Actor | Dr. Drake | 1 |
 Stephen Root | Cast | Actor | Dr. Hepa | 1 |
 Sylvia Kauders | Cast | Actress | Woman | 1 |
 Todd Barry | Cast | Actor | Todd | 5 |
 Tom Noonan | Cast | Actor | Dr. Haveford | 1 |
Tony V. | Cast | Actor | Principal Doug Miner | 1 |
 William Stephenson | Cast | Actor | Bus Driver | 1 |
 Yul Vazquez | Cast | Actor | Pedro | 1 |
 Adepero Oduye | Cast | Actress | Tarese | 1 |
 Ashlie Atkinson | Cast | Actress | Teacher | 1 |
Audrey Lynn Weston | Cast | Girl Behind Counter | 1 | |
 Chelsea Peretti | Cast | Actress | Date | 1 |
 Christina Gausas | Cast | Actress | Ticket Agent | 1 |
 Danny Burstein | Cast | Actor | Mike | 1 |
 Gina Hernandez | Cast | Actress | High End Executive (uncredited) | 1 |
 Jim Norton | Cast | Actor | Jim | 1 |
 Johnnie Mae | Cast | Actress | TSA Supervisor | 1 |
 Liam Broggy | Cast | Actor | Little Boy | 1 |
 Liza Colón-Zayas | Cast | Actress | Miss Hernandez | 1 |
 Mando Alvarado | Cast | Actor | Manager | 1 |
 Maria Dizzia | Cast | Actress | Delores | 1 |
 Megan Hilty | Cast | Actress | Heckler | 1 |
 Meghan Rafferty | Cast | Actress | Parent #2 | 1 |
 Michael Drayer | Cast | Actor | Sean | 1 |
 Munro M. Bonnell | Cast | Actor | Crazy Homeless Man | 1 |
 Nilaja Sun | Cast | Actress | Woman on Phone | 1 |
 Nimo Gandhi | Cast | Actor | Taxi Driver #1 | 1 |
Rich Rothbell | Cast | Pushy Airport Suit (uncredited) | 1 | |
 Rick Crom | Cast | Actor | Rick | 1 |
 Roderick Hill | Cast | Actor | Peter | 1 |
 Sarah Baker | Cast | Actress | Vanessa | 1 |
 Todd Glass | Cast | Actor | Guy on Phone | 1 |
 Yvonne Strahovski | Cast | Actress | Blake | 1 |
 Ana Kayne | Cast | Actress | Jasmine | 1 |
Ben Jeffrey | Cast | Curtis | 1 | |
 Cory Nichols | Cast | Brad | 1 | |
 Elena McGhee | Cast | Actress | Grace | 1 |
 Elisabeth Hower | Cast | Actress | Trisha | 1 |
 Elizabeth Morton | Cast | Actress | Doreen | 1 |
 Hannibal Buress | Cast | Actor | Hannibal (uncredited) | 1 |
 Shafik N. Bahou | Cast | Shai | 1 | |
Jack Tartaglia | Cast | Jimmy | 1 | |
James Schram | Cast | The Bartender (uncredited) | 1 | |
 Kate Gilligan | Cast | Actress | Anchorwoman | 1 |
 Kurt Metzger | Cast | Actor | Kurt Metzger (uncredited) | 1 |
 Liz Holtan | Cast | Actress | Ellen | 1 |
 Moisés Acevedo | Cast | Actor | Jock #4 | 1 |
Myq Kaplan | Cast | Myq Kaplan (uncredited) | 1 | |
 Will Brill | Cast | Actor | Guy #1 | 1 |
 Ann Carr | Cast | Actress | Karen | 1 |
 Ashley Gerasimovich | Cast | Actress | Jane | 4 |
 Carla Corvo | Cast | Actress | College Girl #1 | 1 |
 Christine Donlon | Cast | Actress | Jeff's Wife | 1 |
 Cliff Samara | Cast | Patient | 1 | |
 Hadley Delany | Cast | Actress | Lilly | 43 |
Kayli Gural | Cast | Girl in School Hallway (uncredited) | 1 | |
 Teena Byrd | Cast | Actress | Bar Patron (uncredited) | 1 |
 Tracee Chimo | Cast | Actress | Dog Pound Volunteer | 1 |
 Ursula Parker | Cast | Actress | Jane | 41 |
 Devin Druid | Cast | Actor | Young Louie | 1 |
 Gina Piersanti | Cast | Actress | Laurie | 1 |
 Lily Peterson | Cast | Actress | Student | 1 |
 Lynn Marocola | Cast | Actress | Knicks Fan (uncredited) | 1 |
 Kenneth Maharaj | Cast | Actor | Cashier | 1 |
Sonya Cooke | Cast | Office Assistant (uncredited) | 1 | |
 Nicole Ehinger | Cast | Actress | Young Tammy | 1 |
Alicia Sable | Cast | College Girl #2 | 1 | |
 Sofia Hublitz | Cast | Actress | Danielle Hoffman | 1 |
 Robert Kelly | Cast | Actor | Robbie | 2 |
 Jay Russell | Cast | Actor | Jay | 1 |
 Stephen Badalamenti | Cast | Actor | TSA Agent | 1 |
 Michael Torpey | Cast | Actor | Male Realtor | 1 |
 Marisa Vural | Cast | Waitress | 1 | |
Justin Gray | Cast | Actor | Sound Mixer (uncredited) | 1 |
 Oscar Wahlberg | Cast | Actor | Danny | 1 |
 Hayley Podschun | Cast | Actress | Laurie | 1 |
 Sam Haft | Cast | Actor | Young East Village Dude | 1 |
 Katy Grenfell | Cast | Actress | Parent #3 | 1 |
 Conner O'Malley | Cast | Actor | Young Louie | 1 |
 Ian Jarvis | Cast | Actor | Mediator | 1 |
Otis Edward Cotton | Cast | Taxi Driver #2 | 1 | |
Kim Barlow | Cast | Actress | Tammy | 1 |
 Clinton Lowe | Cast | Actor | Thug #2 | 1 |
Hannelore Williams | Cast | Unapologetic Woman (uncredited) | 1 | |
 Reza Salazar | Cast | Actor | Thug #1 | 1 |
Bill Krakauer | Cast | Turkish Man | 1 | |
 Sebastian Quinn | Cast | Actor | Concert Goer #1 | 1 |
 Ted Alexandro | Cast | Actor | Flyer Comic | 1 |
Chelsea Vance | Cast | Concert Goer #3 | 1 | |
Logan J. Rush | Cast | Albert | 1 | |
Alison Pick | Cast | JHS Girl #1 | 1 | |
Christine Pardo | Cast | Concert Goer #4 | 1 | |
Tiffany Meier | Cast | JHS Girl #2 | 1 | |
Thomas Kyles | Cast | Concert Goer #5 | 1 | |
Mireille Crocco | Cast | Concert Goer #2 | 1 | |
Michael H. Ingram | Cast | Angry Man | 1 | |
Todd Davis | Cast | Actor | City Worker | 1 |
 Kathleen Butler | Cast | Actress | Naked Woman | 1 |
Isaiah Stokes | Cast | Actor | Drugstore Employee | 1 |
 Nancy Shayne | Cast | Actress | Teacher | 1 |
Blair Breard | Cast | Producer(uncredited) | 1 | |
 Caroline Grossman | Cast | Spiteful Mean Girl #1 | 1 | |
Graham Kurtz | Cast | Guy #3 (uncredited) | 1 | |
 Ryan Fitzsimmons | Cast | Man with Janice | 1 | |
Ryah Nixon | Cast | Actress | Waitress | 1 |
Frank Carlo | Cast | Actor | Jock #1 | 1 |
Deborah LaCoy | Cast | Actress | Realtor Woman | 1 |
Max Behren | Cast | Young Louie | 2 | |
Jo Tanner | Cast | Nurse | 1 | |
Samia Akudo | Cast | Actress | Flight Attendant | 1 |
Linda Turley | Cast | Waitress | 1 | |
Dustin Olson | Cast | Actor | Heckler #2 | 1 |
Joshua Akin | Cast | Young Man | 1 | |
 Austin Jones | Cast | Actor | Heckler #1 | 1 |
Tatsuya Rivera | Cast | Serge | 1 | |
 Sujoy De | Cast | Cashier | 1 | |
Claudia Kiss | Cast | College Girl #4 (uncredited) | 1 | |
Sidney Williams | Cast | Actor | Waiter | 1 |
Annie Purcell | Cast | College Girl #3 | 1 | |
 Bonita Elery | Cast | Tarese's Sister | 1 | |
Dennis Robinson | Cast | Jock #3 | 1 | |
Tyler Kenney | Cast | Jock #2 | 1 | |
Joe Tom Collins | Cast | Janitor (uncredited) | 1 | |
Robert Johnson | Cast | Kissing Gentleman #1 | 1 | |
P.J. Connaire | Cast | Brian | 1 | |
Sawyer Swanson | Cast | Young Louie | 1 | |
Christopher Clark Gates | Cast | Guy | 1 | |
 Andrea Frierson | Cast | Nurse | 1 | |
Kelly McCrann | Cast | Janice | 1 | |
 Lucio Fernandez | Cast | Gypsy Cab Driver | 1 | |
| Person | Type | Job | Role(s) | Episodes |
