Donald O'Connor
Peter Stirling
Acting
Martha Hyer
Betsy Donevan
Acting
Richard Erdman
Murph
Acting
Jim Backus
Commander Hutch
Acting
Clint Eastwood
Jonesey
Acting
David Janssen
Lieutenant Anders
Acting
Leigh Snowden
Nurse Appleby
Acting
Martin Milner
W.T. Rickson
Acting
Paul Burke
Tate
Acting
Phil Garris
Tony Stover
Acting
Myrna Hansen
Helen
Acting
Jane Howard
Nurse Standish
Acting
Virginia O'Brien
Nurse Kittredge
Acting
William Forrest
Admiral
Acting
Chill Wills
Francis (voice) (uncredited)
Acting
Frank Chase
Yeoman
Acting
Carl Switzer
Timekeeper
Acting