 | James Garner als Pete Aron |
 | Eva Marie Saint als Louise Frederickson |
 | Yves Montand als Jean-Pierre Sarti |
 | Toshirō Mifune als Izo Yamura |
 | Brian Bedford als Scott Stoddard |
 | Jessica Walter als Pat Stoddard |
 | Antonio Sabàto als Nino Barlini |
 | Françoise Hardy als Lisa |
 | Adolfo Celi als Agostini Manetta |
 | Claude Dauphin als Hugo Simon |
 | Enzo Fiermonte als Guido |
 | Geneviève Page als Monique Delvaux-Sarti |
 | Jack Watson als Jeff Jordan |
 | Donald O'Brien als Wallace Bennett |
 | Jean Michaud als Children's Father |
 | Albert Rémy als Surgeon (as Albert Remy) |
 | Rachel Kempson als Mrs. Stoddard |
 | Ralph Michael als Mr. Stoddard |
 | Alan Fordney als Sportscaster |
| Tommy Franklin als Sportscaster |
 | Graham Hill als Bob Turner |
| Anthony Marsh als Sportscaster |
| Phil Hill als Tim Randolph |
| Bernard Cahier als Journalist |
| Masaaki Asukai als Japanese interpreter (uncredited) |
| Lorenzo Bandini als Grand Prix driver (uncredited) |
| Raymond Baxter als BBC interviewer (uncredited) |
 | Roy Beck als Young spectator (uncredited) |
 | Salvatore Billa als Policeman (uncredited) |
| Bob Bondurant als Grand Prix driver (uncredited) |
 | Joakim Bonnier als Joakim Bonnier (uncredited) |
| Jack Brabham als Grand Prix driver (uncredited) |
 | John Benson als David, photographer (uncredited) |
| Jim Clark als Jim Clark (uncredited) |
| Eugenio Dragoni als Ferrari official (uncredited) |
| Evans Evans als Mrs. Randolph (uncredited) |
| Tiziano Feroldi als Doctor at Monza (uncredited) |
 | Paul Frees als Izo Yamura (voice) (uncredited) |
| Alain Gerard als American boy (uncredited) |
| Richie Ginther als John Hogarth (uncredited) |
 | Noël Godin als Spectator (Spa) (uncredited) |
| Dan Gurney als Dan Gurney (uncredited) |
| Arthur Howard als Claude (uncredited) |
| Gilberto Mazzi als Rafael (uncredited) |
| Bruce McLaren als Douglas McClendon (uncredited) |
| Jochen Rindt als Jochen Rindt (uncredited) |
| Jo Siffert als Jo Siffert (uncredited) |
| John Frankenheimer | Director |
| Robert Alan Aurthur | Screenplay |
| John Frankenheimer | Writer |
| Henry Berman | Editor |
| John Frankenheimer | Executive Producer |
| Frank Santillo | Editor |
| Stu Linder | Editor |
| Edward Lewis | Producer |
| Irene Howard | Casting |
| Kirk Douglas | Executive Producer |
| Richard Sylbert | Production Design |
| James Garner | Executive Producer |
| Lionel Lindon | Director of Photography |
| Robert Bonnig | Special Effects |
| Maurice Jarre | Original Music Composer |
| Carey Loftin | Stunt Driver |
| Tom Bamford | Stunt Driver |
| Max Balchowsky | Stunt Driver |
| Ronnie Rondell Jr. | Stunt Driver |
| Fredric Steinkamp | Editor |
| Saul Bass | Editorial Consultant |
| William Hanley | Additional Dialogue |
| Sydney Guilaroff | Hairstylist |
| Sydney Guilaroff | Makeup Artist |
| Giuliano Laurenti | Makeup Artist |
| Alfio Meniconi | Makeup Artist |
| Enrico Isacco | Assistant Director |
| Stephan Iscovescu | Assistant Director |
| Sam Itzkovitch | Assistant Director |
| Roger Simons | Assistant Director |
| Lindsey C. Vickers | Assistant Director |
| Michael Jeffrey Adelman | Assistant Director |
| Roy Charman | Sound Recordist |
| Gordon Daniel | Sound Editor |
| Franklin Milton | Sound Recordist |
| Harry W. Tetrick | Sound |
| Van Allen James | Sound Editor |
| Jeff Clifford | Special Effects |
| Jimmy Harris | Special Effects |
| Garth Inns | Special Effects |
| Milt Rice | Special Effects |
| Jimmy Ward | Special Effects |
| Jack Woodbridge | Special Effects |
| James S. Pollak | Title Designer |
| Saul Bass | Visual Effects Design Consultant |
| Jean-Georges Fontenelle | Camera Operator |
| Yann Le Masson | Camera Operator |
| John M. Stephens | Camera Operator |
| Adolfo Bartoli | Lighting Technician |
| Olivier Benoist | First Assistant Camera |
| John Grover | First Assistant Editor |
| Saul Bass | Title Designer |
