Roy Fleming

Don Knotts

Acting

Major Fred Gifford

Leslie Nielsen

Acting

Ellie Jackson

Joan Freeman

Acting

Donelli

Jesse White

Acting

Mrs. Fleming

Jeanette Nolan

Acting

Plank

Frank McGrath

Acting

Arbuckle "Buck" Fleming

Arthur O'Connell

Acting

Blonde in Bar

Joan Shawlee

Acting

Bert

Guy Raymond

Acting

Aunt Zana

Nydia Westman

Acting

Rush

Paul Hartman

Acting

Cervantes

Robert F. Simon

Acting

Moran

Robert Pickering

Acting

Captain Ferguson

Bill Quinn

Acting

Niece

Melissa Gilbert

Acting

Ned

Burt Mustin

Acting

Sweetwater Citizen at Mailbox

Marjorie Bennett

Acting

NASA Doctor

Herb Vigran

Acting

First Bus Driver (uncredited)

Paul Bryar

Acting