Andy Griffith
— Alvin 'Al' Woods aka Onionhead
Felicia Farr
— Stella Papparonis
Walter Matthau
— 'Red' Wildoe
Erin O'Brien
— Josephine 'Jo' Hill
Joe Mantell
— Harry 'Doc' O'Neal
Ray Danton
— Ensign Dennis Higgins
James Gregory
— Lt. Cmdr. Fox aka The Skipper
Joey Bishop
— Sidney Gutsell
Roscoe Karns
— 'Windy' Woods
Claude Akins
— Poznicki
Ainslie Pryor
— Chief Miller
Karl Lukas
— Agnelli
Sean Garrison
— Yeoman Kaffhamp
Dan Barton
— Ens. Fineberg
Mark Roberts
— Lt. J.G. Bennett
Peter Brown
— Clark (scenes deleted)
Tige Andrews
— Charlie Berger
Morris D. Erby
— Dave Hubert