Don Knotts
Roy Fleming
Acting
Leslie Nielsen
Major Fred Gifford
Acting
Joan Freeman
Ellie Jackson
Acting
Jesse White
Donelli
Acting
Jeanette Nolan
Mrs. Fleming
Acting
Frank McGrath
Plank
Acting
Arthur O'Connell
Arbuckle "Buck" Fleming
Acting
Joan Shawlee
Blonde in Bar
Acting
Guy Raymond
Bert
Acting
Nydia Westman
Aunt Zana
Acting
Paul Hartman
Rush
Acting
Robert F. Simon
Cervantes
Acting
Robert Pickering
Moran
Acting
Bill Quinn
Captain Ferguson
Acting
Melissa Gilbert
Niece
Acting
Burt Mustin
Ned
Acting
Marjorie Bennett
Sweetwater Citizen at Mailbox
Acting
Herb Vigran
NASA Doctor
Acting
Paul Bryar
First Bus Driver (uncredited)
Acting