| Person | Type | Job | Role(s) |
|---|---|---|---|
 Cleo Anton | Crew | Directing | Script Supervisor |
Denny Arnold | Crew | Crew | Stunts |
 Irwin Allen | Crew | Directing | Director, Producer, Story |
James Cane | Crew | Art | Set Decoration |
John Meredyth Lucas | Crew | Writing | Screenplay |
Kenneth Peach | Crew | Camera | Director of Photography |
Paul Zastupnevich | Crew | Costume & Make-Up | Costume Design |
Richard LaSalle | Crew | Sound | Music, Conductor |
Rodger Maus | Crew | Art | Art Direction |
Sidney Marshall | Crew | Production | Associate Producer |
Stan Jolley | Crew | Art | Art Direction |
George E. Swink | Crew | Production | Associate Producer |
James Baiotto | Crew | Editing | Editor |
Brent Dunsford | Cast | Technician (uncredited) | |
 Burr DeBenning | Cast | Actor | Aguila |
 Edward G. Robinson Jr. | Cast | Actor | Dr. Burkson |
 Erik L. Nelson | Cast | Actor | Triton Controller |
 George Holmes | Cast | Actor | Scientist (uncredited) |
 James Darren | Cast | Actor | Dr. Talty |
Johnny Lee | Cast | Tony | |
 Joseph Cotten | Cast | Actor | Dr. Ziegler |
 Larry Pennell | Cast | Actor | Bill Holmes |
 Paul Stewart | Cast | Actor | Barton |
 Richard Basehart | Cast | Actor | The President |
 Robert Colbert | Cast | Actor | Cmdr. Woody Patterson |
 Robert Dowdell | Cast | Actor | Young Officer |
 Robert Wagner | Cast | Actor | Brett |
 Rosemary Forsyth | Cast | Actress | Lia Holmes |
 Sheila Allen | Cast | Actress | Blonde Woman |
 Stuart Whitman | Cast | Actor | Adm. Michael Matthews |
 Susana Miranda | Cast | Elena | |
 Tom Drake | Cast | Actor | Gen. Putnam |
 Whit Bissell | Cast | Actor | Prof. Holmes |
 William Bryant | Cast | Actor | Capt. Lunderson |
 Charles Dierkop | Cast | Actor | Quinn |
 Paul Bradley | Cast | Actor | Scientist (uncredited) |
 Sugar Ray Robinson | Cast | Actor | Capt. Hunter |
Ray Didsbury | Cast | Security Guard | |
Victor Toyota | Cast | Scientist (uncredited) | |
Glenna Sergent | Cast | Actress | Sally |
| Person | Type | Job | Role(s) |
