| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Fellows | Crew | Production | Associate Producer |
Arthur Morton | Crew | Sound | Orchestrator |
 Ben Maddow | Crew | Writing | Writer |
 Charlie Picerni | Crew | Crew | Stunts |
 Daniel C. Striepeke | Crew | Costume & Make-Up | Makeup Supervisor |
David Hall | Crew | Directing | Assistant Director |
Don J. Bassman | Crew | Sound | Sound Mixer, Sound Re-Recording Mixer |
Jakob Gimpel | Crew | Sound | Musician |
 Jerry Goldsmith | Crew | Sound | Original Music Composer |
Joe DiBella | Crew | Costume & Make-Up | Makeup Artist |
Moss Mabry | Crew | Costume & Make-Up | Costume Design |
Pat Abbott | Crew | Costume & Make-Up | Hairstylist |
 Paul Wendkos | Crew | Directing | Director |
Quinn Martin | Crew | Production | Producer |
Raphael Bretton | Crew | Art | Set Decoration |
Richard K. Brockway | Crew | Editing | Editor |
Sidney H. Greenwood | Crew | Art | Property Master |
Walter M. Scott | Crew | Art | Set Decoration |
William Eckhardt | Crew | Production | Unit Production Manager |
William W. Spencer | Crew | Camera | Director of Photography |
Fred Mustard Stewart | Crew | Writing | Novel |
 George Hurrell Sr. | Crew | Camera | Still Photographer |
Phill Norman | Crew | Art | Title Designer |
Richard Y. Haman | Crew | Art | Art Direction |
Gene Evans | Crew | Camera | Camera Operator |
John A. Bonner | Crew | Sound | Sound Supervisor |
 Alan Alda | Cast | Actor | Myles Clarkson |
 Alberto Morin | Cast | Actor | Bennett |
 Antoinette Bower | Cast | Actress | Member of Ely's Group (uncredited) |
 Barbara Parkins | Cast | Actress | Roxanne Delancey |
 Berry Kroeger | Cast | Actor | Raymont |
 Bradford Dillman | Cast | Actor | Bill Delancey |
 Cosmo Sardo | Cast | Actor | Party Guest (uncredited) |
 Curd Jürgens | Cast | Actor | Duncan Mowbray |
 Curt Lowens | Cast | Actor | |
 Frank Campanella | Cast | Actor | Detective (uncredited) |
 Gregory Morton | Cast | Actor | Conductor |
 Harry Carter | Cast | Actor | Pallbearer (uncredited) |
 Jacqueline Bisset | Cast | Actress | Paula Clarkson |
 Kathleen Widdoes | Cast | Actress | Maggie West |
 Khigh Dhiegh | Cast | Actor | Zanc Theun |
 Lilyan Chauvin | Cast | Actress | Woman Writer |
 Marta Kristen | Cast | Actress | Party Guest (uncredited) |
 Pamelyn Ferdin | Cast | Actress | Abby Clarkson |
 Walter Brooke | Cast | Actor | Party Guest (uncredited) |
 William Windom | Cast | Actor | Dr. Roger West |
 Janee Michelle | Cast | Actress | Agency Chief's Girlfriend |
| Person | Type | Job | Role(s) |
