 | Paul Dano als Calvin |
 | Zoe Kazan als Ruby |
 | Chris Messina als Harry |
 | Annette Bening als Gertrude |
 | Antonio Banderas als Mort |
 | Alia Shawkat als Mabel |
 | Deborah Ann Woll als Lila |
 | Steve Coogan als Langdon Tharp |
 | Elliott Gould als Dr. Rosenthal |
 | Aasif Mandvi als Cyrus Modi |
 | Toni Trucks als Susie |
 | Eleanor Seigler als Mandi |
 | John F. Beach als Adam |
 | Jane Anne Thomas als Saskia |
 | Wallace Langham als Warren |
 | Mary Jo Deschanel als Female Professor |
 | Emma Jacobs als Party Goer at Langdon's |
 | Rightor Doyle als Party Goer 1 - Hammer |
 | Eden Brolin als Party Goer 2 - Hammer |
 | Kai Lennox als Sort of Weird Guy |
| Ole Olofson als Older Dude |
| Jack Levinson als Party Goer 2 - Book Release |
 | China Shavers als Party Goer 1 - Book Release |
| Casey Genton als Busboy |
 | Michael Berry Jr. als Silverlake Passerby |
 | Lindsay Fishkin als Box Office Teller |
 | Claudia Bestor als Lecture Curator |
 | Janine King als Literary Fan (uncredited) |
| Diana Parros als Book Club Member (uncredited) |
 | Mark Roman als Literary Fan (uncredited) |
 | Tatiana Sarasty als Book Club Member (uncredited) |
 | Marco Tazioli als Book Club Groupie (uncredited) |
| Valerie Faris | Director |
| Ron Yerxa | Producer |
| Jonathan Dayton | Director |
| Zoe Kazan | Screenplay |
| Albert Berger | Producer |
| Kim Davis-Wagner | Casting |
| Matthew Libatique | Director of Photography |
| T.K. Knowles | Associate Producer |
| Robert Graf | Executive Producer |
| Zoe Kazan | Executive Producer |
| Paul Dano | Executive Producer |
| Alexander Wei | Art Direction |
| Matthew Flood Ferguson | Set Decoration |
| Nick Urata | Original Music Composer |
| John O'Grady | Associate Producer |
| Judy Becker | Production Design |
| Nancy Steiner | Costume Design |
| Lyn Matsuda Norton | Script Supervisor |
| Pamela Martin | Editor |
| Justine Arteta | Casting |
| Chuck Ryant | Associate Producer |
| Torsten Witte | Makeup Department Head |
| Edward Tise | Sound mixer |
| Wade Allen | Stunt Coordinator |
| Robert Graf | Unit Production Manager |
| Byron Wilson | Supervising Sound Editor |
| Bart Lipton | Production Supervisor |
| Pat Romano | Stunt Coordinator |
| Deborah Myles Davis | Costume Supervisor |
| Joshua Winget | Music Editor |
| Aaron Glascock | Supervising Sound Editor |
| Merrick Morton | Still Photographer |
| J. Elizabeth Ingram | Production Coordinator |
| Skip Lievsay | Sound Re-Recording Mixer |
| Jeff Ferrero | Gaffer |
| Aaron Glascock | Sound Re-Recording Mixer |
| Freya Krasnow | Casting Associate |
| Dan Wilcox | Music Supervisor |
| J.M. Logan | Post Production Supervisor |
| Christopher Miller | Location Manager |
| Damiano Marchese | Dialogue Editor |
| David A. Arnold | Dialogue Editor |
| Curt Schulkey | Dialogue Editor |
| Kristin Wahl | Hair Department Head |
| Curran Crockett | Hairstylist |
| Angel Radefeld | Key Makeup Artist |
| Michael Ward | Key Hair Stylist |
| J.E. Barrows | Second Second Assistant Director |
| Jeb Barrows | Second Assistant Director |
| Robert E. Kay | Second Assistant Director |
| Thomas Patrick Smith | First Assistant Director |
| David Brace | Leadman |
| Susannah Carradine | Art Department Coordinator |
| Dwayne Grady | Property Master |
| Anne Hyvarinen | Painter |
| Cynthia Martinez | Greensman |
| William Cawley | Assistant Sound Editor |
| Johnna Chism | Assistant Sound Editor |
| David Lee Fein | Foley Artist |
| Albert Gasser | Foley Editor |
| Hilda Hodges | Foley Artist |
| David Jobe | Foley Mixer |
| Randall L. Johnson | Boom Operator |
| Howard London | ADR Mixer |
| Thomas J. O'Connell | ADR Mixer |
| Jason Oliver | ADR Mixer |
| Sonny Pettijohn | Assistant Sound Editor |
| Ryan Young | ADR Recordist |
| Arturo Dickey | Stunts |
| Barron Gunter | Stunts |
| Chris Nielsen | Stunts |
| Allan Padelford | Stunts |
| James Coffin | Best Boy Grip |
| Tana Dubbe | Key Grip |
| Randy Dye | Best Boy Electric |
| Colin Hudson | Steadicam Operator |
| John Mang | Dolly Grip |
| Brian Mundell | Electrician |
| Joey O'Donnell | Second Assistant "A" Camera |
| Mickey Petersen | Electrician |
| Nicolas Restrepo | Underwater Camera |
| Matt Stenerson | First Assistant "A" Camera |
| David Blue Thompson | Electrician |
| Terry Zumalt | Electrician |
| Vitalina Gauzylyuk | Seamstress |
| Marylou Lim | Key Set Costumer |
| Jennifer Starzyk | Assistant Costume Designer |
| Terel Gibson | First Assistant Editor |
| Staci Pontius | First Assistant Editor |
| Elias Benavidez | Production Secretary |
| Gregg Brilliant | Unit Publicist |
| Maureen 'Mo' Crutchfield | Production Accountant |
| Robert Cymbal | Set Medic |
| John Emmons | Set Medic |
| Ali Griffith | Assistant Production Coordinator |
| Gregory Levine | Set Medic |
| James Kaplan | In Memory Of |
| Fredrik Bond | Thanks |
| Irma Fitzgibbons | Thanks |
| Sid Krofft | Thanks |
| Don Molls | Thanks |
| Samuel Vazquez | Thanks |
| Paul Ripple | Transportation Captain |
| Timothy P. Ryan Jr. | Transportation Captain |
| Tom Roberts | Transportation Coordinator |
| Cheryl Cravedi | Set Costumer |
| David Sirianni | Grip |
| Aaron A. Goffman | Assistant Property Master |
