Trailer
Images
 | Roddy McDowall as Caesar |
 | Don Murray as Breck |
 | Ricardo Montalban as Armando |
 | Hari Rhodes as MacDonald |
 | Severn Darden as Kolp |
 | Lou Wagner as Busboy |
 | Natalie Trundy as Lisa |
 | John Randolph as Commission Chairman |
 | Asa Maynor as Mrs. Riley |
| Joyce Haber as Zelda |
 | H.M. Wynant as Hoskyns |
 | David Chow as Aldo |
 | Buck Kartalian as Frank - Gorilla |
 | John Dennis as Policeman |
 | Paul Comi as 2nd Policeman |
 | Gordon Jump as Auctioneer |
| Dick Spangler as Announcer |
| Hector Soucy as Ape With Chain |
 | James Bacon as Ape (uncredited) |
 | Rayford Barnes as Riot Control Commander in Plaza (uncredited) |
 | William Bryant as Man at Auction (uncredited) |
 | Jean Byron as Book Store Owner (uncredited) |
 | Sam Chew Jr. as Controller (uncredited) |
 | Francis De Sales as Auction Attendee (uncredited) |
| Peter Eastman as Auction Attendee (uncredited) |
| Erin Fleming as Cafe Customer (uncredited) |
 | Daniel Keough as Jailguard (uncredited) |
| Ron Pinkard as Controller (uncredited) |
 | Jeffrey Sayre as Restaurant Chef (uncredited) |
| Ruth Foster as Woman in Plaza (uncredited) |
| Editing | |
| Marjorie Fowler | Editor |
Production | |
| Arthur P. Jacobs | Producer |
Editing | |
| Alan Jaggs | Editor |
Camera | |
| Bruce Surtees | Director of Photography |
Writing | |
| Paul Dehn | Screenplay |
Sound | |
| Tom Scott | Original Music Composer |
Directing | |
| J. Lee Thompson | Director |
Crew | |
| Jack Hirshberg | Unit Publicist |
Art | |
| Don Record | Title Designer |
Writing | |
| Pierre Boulle | Characters |
Crew | |
| Bennie E. Dobbins | Stunts |
| Tony Epper | Stunts |
| Eddie Smith | Stunts |
| Alan Gibbs | Stunts |
| Alex Sharp | Stunts |
| Tony Brubaker | Stunts |
| Richard E. Butler | Stunts |
| Gene LeBell | Stunts |
| Wally Rose | Stunts |
| Glenn Randall Jr. | Stunts |
| Regina Parton | Stunts |
| Larry Duran | Stunts |
| Gary Epper | Stunts |
| Nick Dimitri | Stunts |
| Paula Crist | Stunts |
| Regis Parton | Stunts |
| Fred Waugh | Stunts |
| George P. Wilbur | Stunts |
| Richard Washington | Stunts |
| Paul Stader | Stunt Coordinator |
| Erik Cord | Stunts |
| Eddie Hice | Stunts |
| Henry Kingi | Stunts |
| Whitey Hughes | Stunts |
Production | |
| Frank Capra, Jr. | Associate Producer |
Crew | |
| Troy Melton | Stunts |
| Craig R. Baxley | Stunts |
Costume & Make-Up | |
| Jan Van Uchelen | Hairstylist |
| Jack Barron | Makeup Artist |
| Carol Pershing | Hairstylist |
Production | |
| William Eckhardt | Unit Production Manager |
Costume & Make-Up | |
| Joe DiBella | Makeup Artist |
| Morton Haack | Costume Design |
| John Chambers | Makeup Designer |
Art | |
| Norman Rockett | Set Decoration |
Directing | |
| David 'Buck' Hall | Assistant Director |
Costume & Make-Up | |
| Verne Langdon | Special Effects Makeup Artist |
Art | |
| Philip M. Jefferies | Art Direction |
Sound | |
| Herman Lewis | Sound |
Art | |
| Philip M. Jefferies | Production Design |
Costume & Make-Up | |
| Daniel C. Striepeke | Makeup Supervisor |
Directing | |
| Jack Stubbs | Second Assistant Director |
Sound | |
| Don J. Bassman | Sound |
