 | Olivia Cooke als Rachel Kushner |
 | Thomas Mann als Greg Gaines |
 | RJ Cyler als Earl Jackson |
 | Connie Britton als Greg's Mom |
 | Nick Offerman als Greg's Dad |
 | Molly Shannon als Denise Kushner |
 | Jon Bernthal als Mr. McCarthy |
 | Chelsea Zhang als Naomi |
 | Masam Holden als Ill Phil |
 | Katherine Hughes als Madison |
 | Matt Bennett als Scott Mayhew |
 | Bobb'e J. Thompson als Derrick |
 | Gavin Dietz als Young Greg |
| Edward DeBruce III als Young Earl |
| Natalie Marchelletta als Anna |
| Marco Zappala als Theater Dork |
| Kaza Marie Ayersman als Rachel's Friend |
 | Etta Cox als Principal |
| Karriem Sami als Limo Driver |
 | Hugh Jackman als Hugh Jackman (voice) |
| Cheryl Kline als Rabbi |
| Joan Augustin als Elderly Mourner |
| Mark Granatire als Testimonial Student #1 |
| Kayana White als Testimonial Student #2 |
| Linda Kanyarusoke als Testimonial Student #3 |
| Drew Palajsa als Testimonial Student #4 |
| Elly Silberstein als Testimonial Student #5 |
| Nicole Tubbs als Children's Hospital Nurse |
 | Joe Fishel als Shiva Attendee (uncredited) |
| Jeremy Long als Theater Student (uncredited) |
| Zander Lyons als High School Student (uncredited) |
| Jake Scheib als Friend (uncredited) |
| Jackson Nunn als School Teacher (uncredited) |
| Alfonso Gomez-Rejon | Director |
| Jesse Andrews | Screenplay |
| Jesse Andrews | Novel |
| Chung Chung-hoon | Director of Photography |
| Jeremy Dawson | Producer |
| Dan Fogelman | Producer |
| David Trachtenberg | Editor |
| Angela Demo | Casting |
| Gerald Sullivan | Production Design |
| Sarah M. Pott | Art Direction |
| Diana Stoughton | Set Decoration |
| Steven M. Rales | Producer |
| Nora Skinner | Executive Producer |
| Michael Sledd | Co-Producer |
| Jeff Sommerville | Co-Producer |
| Angela Demo | Associate Producer |
| Brian Eno | Original Music Composer |
| Nico Muhly | Original Music Composer |
| David Anthony Buglione | Stunt Coordinator |
| Jennifer Eve | Costume Designer |
| Randall Poster | Music Supervisor |
| Nathan O. Marsh | Animation |
| Edward Bursch | Animation |
| Jeff Kryvicky | Title Designer |
| Martin Scorsese | Thanks |
| Sharyn Cordice | Key Makeup Artist |
| Nancy Keslar | Hair Department Head |
| Geri Mataya | Key Hair Stylist |
| Marianne Skiba | Makeup Department Head |
| Jonas Spaccarotelli | First Assistant Director |
| Dana Zolli | Second Assistant Director |
| Brandon A. Plonka | Set Dresser |
| Bob Chefalas | Sound Re-Recording Mixer |
| Marko Costanzo | Foley Artist |
| Jacob Ribicoff | Supervising Sound Editor |
| Jacob Ribicoff | Sound Re-Recording Mixer |
| Jacob Ribicoff | Sound Designer |
| Pawel Wdowczak | Sound Mixer |
| Gene Harrison | Stunt Coordinator |
| Derek Gross | Gaffer |
| Dave Isern | Steadicam Operator |
| Thelma Schoonmaker | Thanks |
| Hugh Jackman | Thanks |
| Robert De Niro | Thanks |
