Calificación
Reparto

Ben Murphy
Sam Casey

Richard Dysart
Leonard Driscoll

William Sylvester
Leonard Driscoll

Andrew Prine
Luther Stark

Alan Oppenheimer
Dr. Arthur Hale

Ed Nelson
Robert Denby

Katherine Crawford
Dr. Abby Lawrence

John Milford
Elliott

Smith Wordes
Tina

Don Galloway
John Hiller

Jim Stafford
Buffalo Bill Joe Hickens

Austin Stoker
Dive Officer