James Mason as Capt. Edwin Rummill

Dorothy Dandridge as Mahia

Broderick Crawford as Henry Scott

Stuart Whitman as Leroy Martin

Katharine Bard as Joan Rummill

Jack Kruschen as Alex Cole

Hank Patterson as Moody

John Gallaudet as Bull Pringle

Barney Phillips as Karl Pope

Guy Kingsford as Jim Osborne

David Cross as Mace

Harry Bartell as Tom Walsh

Harlan Warde as Vic

Jonathan Hole as Adams

Joe Devlin as Crewman

Ed Hinton as Mansard

Joel Marston as Russ Henderson

Joel Fluellen as Pete

Art Lewis as Seaman