Cary Grant

Lieutenant Commander Matt Sherman

Tony Curtis

Lieutenant Nicholas Holden

Joan O'Brien

2nd Lieutenant Dolores Crandall

Dina Merrill

2nd Lieutenant Barbara Duran

Gene Evans

Chief Molumphry

Dick Sargent

Ensign Stovall (as Richard Sargent)

Virginia Gregg

Major Edna Heywood

Robert F. Simon

Captain J.B. Henderson

Robert Gist

Lieutenant Watson

Gavin MacLeod

Yeoman Ernest Hunkle

George Dunn

Prophet

Dick Crockett

Petty Officer Harmon

Madlyn Rhue

2nd Lieutenant Reid

Marion Ross

2nd Lieutenant Colfax

Clarence Lung

Sergeant Ramon Gillardo