- Tommy Kirk
- Bobby Goodwin
- Ray Stricklyn
- Gary Regal
- H.M. Wynant
- Maxwell Carstairs
- Brenda Benet
- Shelly Newman
- Faith Domergue
- Mrs. Goodwin
- Majel Barrett
- Georgia Clark
- Chet Stratton
- Mr. Regal
- James Dobson
- Bowser Smith
- Paul Crabtree
- Mr. Bigelow
- Sam Tarpley
- Colonel Lee
- Maurice Dembsky
- (uncredited)
- Carol Doughty
- (uncredited)
- Chuck Doughty
- (uncredited)
- Don Gregory
- (uncredited)
- Leslie Jameson
- (uncredited)
- Ed Livingston
- (uncredited)
- Bob Smith
- (uncredited)
- Bob Stewart
- (uncredited)
- Horace Wood
- (uncredited)
