 | Mark Frechette als Mark |
 | Daria Halprin als Daria |
 | Paul Fix als Cafe Owner |
 | G. D. Spradlin als Lee's Associate |
 | Bill Garaway als Morty |
 | Kathleen Cleaver als Kathleen |
 | Rod Taylor als Lee Allen |
| Martin Abrahams als Radical Student (uncredited) |
| Michael L. Davis als Police Lieutenant on Loudspeaker (uncredited) |
| Lee Duncan als Highway Patrolman (uncredited) |
 | George Dunn als Airport Mechanic (uncredited) |
| Dennis Falt als University Student (uncredited) |
 | Harrison Ford als Arrested Student (uncredited) |
| Jim Goldrup als College Student (uncredited) |
 | Norman Grabowski als Man in Deli (uncredited) |
 | Philip Baker Hall als Diner Owner (uncredited) |
 | Bill Hickman als Gun Store Owner / Clerk (uncredited) |
 | Kenner G. Kemp als Departing Plane Passenger (uncredited) |
| Peter Lake als Documentary Cameraman (uncredited) |
 | Wesley Lau als Company Executive (uncredited) |
 | Cec Linder als White Haired Executive (uncredited) |
 | Boyd 'Red' Morgan als Policeman (uncredited) |
| Bruce Neckels als Bill (uncredited) |
 | Tom Steele als Tom - Security Guard (uncredited) |
 | William Watson als Highway Patrol Officer (uncredited) |
| Johnny Wilson als Man (uncredited) |
| Jeff Zinn als Student Activist (uncredited) |
| Jerry Garcia | Original Music Composer |
| Michelangelo Antonioni | Director |
| Michelangelo Antonioni | Screenplay |
| Franco Arcalli | Editor |
| Alfio Contini | Director of Photography |
| Carlo Ponti | Producer |
| Dean Tavoularis | Production Design |
| Sam Shepard | Screenplay |
| Tonino Guerra | Screenplay |
| George R. Nelson | Set Decoration |
| Franco Rossetti | Screenplay |
| Clare Peploe | Screenplay |
| Ray Summers | Costume Design |
| Bonnie Prendergast | Script Supervisor |
| Harrison Starr | Executive Producer |
| David Gilmour | Music |
| Roger Waters | Music |
| Richard Wright | Music |
| Nick Mason | Music |
| Michelangelo Antonioni | Editor |
| Joe McKinney | Makeup Artist |
| John Truwe | Makeup Artist |
| Robert Rubin | Assistant Director |
| Jerry Kosloff | Sound Mixer |
| Franklin Milton | Recording Supervision |
| Fernando Caso | Sound Effects Editor |
| Alvaro Gramigna | Foley Artist |
| Earl McCoy | Special Effects |
| Jim Benson | Assistant Editor |
| Michelangelo Antonioni | Story |
| Don Guest | Unit Production Manager |
| Matty Azzarone | Leadman |
| Duke Callaghan | Camera Operator |
| Emillo Calori | First Assistant Camera |
| Patrick Fennell | Assistant Camera |
| George Gordon Nogle | Camera Operator |
| Sandro Tamborra | Assistant Camera |
| Charles R. Young | Second Assistant Camera |
| Sally Dennison | Production Assistant |
| Beverly Walker | Unit Publicist |
