 | Ryan Gosling als Dean |
 | Michelle Williams als Cindy |
 | John Doman als Jerry |
 | Mike Vogel als Bobby |
 | Ben Shenkman als Dr. Feinberg |
 | Jen Jones als Gramma |
 | Maryann Plunkett als Glenda |
 | Faith Wladyka als Frankie |
| Marshall Johnson als Marshall |
| James Benatti als Jamie |
| Barbara Troy als Jo |
 | Carey Westbrook als Charley |
| Eileen Rosen als Mimi |
 | Enid Graham als Professor |
 | Ashley Gurnari als Checker |
| Jack Parshutich als Billy |
| Samii Ryan als Amanda |
| Mark Benginia als Concierge |
| Timothy Liveright als Doctor |
 | Tamara Torres als Maria |
 | Robert Russell als Justice of the Peace |
 | Michelle Nagy als Music Teacher |
| Felicia Reid als Nurse |
| Melvin Jurdem als Old Man |
| Alan Malkin als Cab Driver |
| Derik Belanger als Tony |
| Isabella Frigoletto als Child #1 |
| Madison Ledergerber als Child #2 |
| Jaimie Jensen als Pregnant Woman |
| Joseph Basile als Warehouse Mover (uncredited) |
| Ian Bonner als Room Service Guy (uncredited) |
| Robert Eckard als Father (uncredited) |
| Michael J. Kraycik als Parent (uncredited) |
| Corey Sullivan als Jake (uncredited) |
| Lynette Howell Taylor | Producer |
| Jasmine E. Ballou | Set Decoration |
| Erin Benach | Costume Design |
| Scott Osman | Executive Producer |
| Doug Dey | Executive Producer |
| Andrij Parekh | Director of Photography |
| Inbal Weinberg | Production Design |
| Cindy Tolan | Casting |
| Grizzly Bear | Original Music Composer |
| Michelle Williams | Executive Producer |
| Jack Lechner | Executive Producer |
| Ron Patane | Editor |
| Jamie Patricof | Producer |
| Jim Helton | Editor |
| Ryan Gosling | Executive Producer |
| Derek Cianfrance | Director |
| Alex Orlovsky | Producer |
| Davi Russo | Still Photographer |
| Barbara Jean Kearney | Digital Intermediate |
| Dan Flosdorf | Sound Designer |
| Max Sherwood | Property Master |
| Steve Giammaria | Sound Recordist |
| Tony Osso | Script Supervisor |
| Evan Benjamin | Supervising Dialogue Editor |
| Blaise Corrigan | Stunt Coordinator |
| Vince Reed Camuto | Boom Operator |
| Drew Jiritano | Special Effects Supervisor |
| Manny Siverio | Stunt Coordinator |
| Seth Tallman | Boom Operator |
| Carrie Fix | Unit Production Manager |
| Rena Ronson | Co-Executive Producer |
| Mariela Comitini | First Assistant Director |
| Joe Rudge | Music Supervisor |
| Cassian Elwes | Co-Executive Producer |
| Brad Robinson | Second Assistant Director |
| Carrie Fix | Co-Producer |
| Cami Delavigne | Writer |
| Joey Curtis | Writer |
| Derek Cianfrance | Writer |
| Mark Brooke | Executive Producer |
| Bobby Diehl | Hair Department Head |
| Leo Won | Makeup Department Head |
| Michael Marino | Prosthetic Designer |
| Adam Escott | First Assistant Director |
| Chris Potter | Art Direction |
| Eddie DeCurtis | Set Dresser |
| Jeffrey Jones | Set Dresser |
| Damian Canelos | Sound Mixer |
| Sebastian Henshaw | Foley Artist |
| Tony Volante | Sound Re-Recording Mixer |
| Oliver Cary | Camera Operator |
| Radium Cheung | Gaffer |
| Nina Kuhn | Gaffer |
| Adam Caldwell | Casting Associate |
| Charles Christopher Rubino | Title Designer |
