Cary Grant

Cmdr. Andrew " Andy" Crewson

Jayne Mansfield

Alice Kratzner

Leif Erickson

Eddie Turnbill

Suzy Parker

Gwinneth Livingston

Ray Walston

Lt. (j.g.) Howard McCann

Larry Blyden

"Mississip" Hardy

Werner Klemperer

Lt. Walter Wallace

Nathaniel Frey

Ruddle

Jack Mullaney

Albert Lewis

Harry Carey, Jr.

Chuck Roundtree (uncredited)

William Phipps

Al Hendrick (uncredited)

Richard Deacon

Bill Hotchkiss (uncredited)

Frank Nelson

R.L. Nielson (uncredited)

John Doucette

Shore Patrol Officer (uncredited)

Kathleen Freeman

Nurse Wilinski (uncredited)

Stanley Donen