Donald O'Connor
Peter Stirling / Slicker Donevan
Martha Hyer
Betsy Donevan
Richard Erdman
Murph
Jim Backus
Commander Hutch
Clint Eastwood
Jonesey
David Janssen
Lieutenant Anders
Leigh Snowden
Appleby
Martin Milner
Rick
Paul Burke
Tate
P
Phil Garris
Tony
Myrna Hansen
Helen
J
Jane Howard
Standish
Virginia O'Brien
Miss Kittredge
William Forrest
Admiral
Chill Wills
Francis (voice) (uncredited)
Frank Chase
Yeoman (uncredited)
Carl Switzer
Timekeeper (uncredited)