| Person | Type | Job | Role(s) |
|---|---|---|---|
 Al Giddings | Crew | Camera | Underwater Camera |
 Bill Butler | Crew | Camera | Director of Photography |
Bill MacSems | Crew | Art | Property Master |
Bob Dahlin | Crew | Directing | Second Assistant Director |
Burton Miller | Crew | Costume & Make-Up | Costume Design |
Colin J. Campbell | Crew | Lighting | Gaffer |
 David Garfield | Crew | Editing | Assistant Editor |
 David Seltzer | Crew | Writing | Characters |
Derek V. Browne | Crew | Camera | Assistant Camera |
Don Smetzer | Crew | Camera | Still Photographer |
 Don Taylor | Crew | Directing | Director |
Douglas O. Williams | Crew | Sound | Sound Re-Recording Mixer |
Fred Harpman | Crew | Art | Production Design |
Gilbert Taylor | Crew | Camera | Camera Operator |
H. Bud Otto | Crew | Directing | Script Supervisor |
Harvey Bernhard | Crew | Production | Producer, Story |
Hendrik Wynands | Crew | Art | Construction Coordinator |
Jack L. Richards | Crew | Camera | Camera Operator |
James R. Connell | Crew | Camera | Camera Operator |
 Jerry Goldsmith | Crew | Sound | Original Music Composer |
Joseph Lenzi | Crew | Production | Associate Producer, Production Manager |
 Lynn Stalmaster | Crew | Production | Casting |
 Max Kleven | Crew | Crew | Stunt Coordinator |
 Mike Hodges | Crew | Writing | Screenplay |
Paul Wells | Crew | Sound | Sound Re-Recording Mixer |
Philip M. Jefferies | Crew | Art | Production Design |
Richard Luke Rothschild | Crew | Directing | Second Assistant Director |
Richard Sperber | Crew | Sound | Sound Editor |
Robert Brown | Crew | Editing | Editor |
Robert Dawn | Crew | Costume & Make-Up | Makeup Artist |
Robert De Vestel | Crew | Art | Set Decoration |
 Stanley Cortez | Crew | Camera | Camera Operator |
 Stanley Mann | Crew | Writing | Screenplay |
Theodore Soderberg | Crew | Sound | Sound Re-Recording Mixer |
William B. Fosser | Crew | Art | Set Decoration |
William Hartman | Crew | Sound | Sound Editor |
Ira Anderson Jr. | Crew | Crew | Special Effects |
Edward Rossi | Crew | Sound | Sound Editor |
George Hill | Crew | Camera | Key Grip |
Al Overton | Crew | Sound | Production Sound Mixer |
Godfrey Marks | Crew | Sound | Dialogue Editor |
Jerry Ballew | Crew | Directing | First Assistant Director |
Lillian Toth | Crew | Costume & Make-Up | Makeup & Hair |
John D. Crededio | Crew | Lighting | Gaffer |
Willie Navarro | Crew | Editing | Assistant Editor |
Len Engel | Crew | Sound | Music Editor |
Ron Taberer | Crew | Camera | Assistant Camera |
Ed Nielsen | Crew | Camera | Assistant Camera |
Al Nicholson | Crew | Directing | First Assistant Director |
 Allan Arbus | Cast | Actor | Pasarian |
Charles Mountain | Cast | Actor | Burial Priest |
 Elizabeth Shepherd | Cast | Actress | Joan Hart |
 Felix Shuman | Cast | Actor | Dr. Fiedler |
Fritz Ford | Cast | Actor | Murray |
 Ian Hendry | Cast | Actor | Michael Morgan (uncredited) |
 James Spinks | Cast | Actor | Technician #1 |
 Jonathan Scott-Taylor | Cast | Actor | Damien Thorn |
 Lance Henriksen | Cast | Actor | Sergeant Neff |
 Lee Grant | Cast | Actress | Ann Thorn |
 Leo McKern | Cast | Actor | Carl Bugenhagen (uncredited) |
 Lew Ayres | Cast | Actor | Bill Atherton |
Lucas Donat | Cast | Actor | Mark Thorn |
 Meshach Taylor | Cast | Actor | Dr Kane |
 Nicholas Pryor | Cast | Actor | Charles Warren |
Owen Sullivan | Cast | Byron | |
 Paul Cook | Cast | Actor | Colonel |
 Robert Foxworth | Cast | Actor | Paul Buher |
Sorin Serene Pricopie | Cast | Pasarian's Assistant | |
 Sylvia Sidney | Cast | Actress | Aunt Marion |
William B. Fosser | Cast | Actor | Minister |
 William Holden | Cast | Actor | Richard Thorn |
Thomas O. Erhart Jr. | Cast | Sergeant #1 | |
Corney Morgan | Cast | Greenhouse Technician | |
Rusdi Lane | Cast | Jim Gardner | |
Robert J. Jones Jr. | Cast | Tour Guide | |
| Person | Type | Job | Role(s) |
