On screen
Cast
60 credited performers
Donald May
Cadet Lt. Charles C. Thompson /Host
Richard Jaeckel
Character not listed
Brett Halsey
Character not listed
Larry Thor
Character not listed
Dick Sargent
Character not listed
Russell Hicks
Character not listed
Chuck Connors
Character not listed
William Traylor
Character not listed
Larry Pennell
Cadet Bob Matson
Peter Baldwin
Cadet Ike Saunders
Gloria Talbott
Character not listed
Richard Harrison
Cadet Stover
Bruce Bennett
Character not listed
Don Oreck
Character not listed
Felix Blanchard
Character not listed
Charles Maxwell
Character not listed
Don Durant
Character not listed
Ron Hagerthy
Character not listed
Roger Smith
Matt Tracy
Martin Milner
Cadet Jonathan B. Layton
Hillary Brooke
Character not listed
Pat Conway
Character not listed
Steve McQueen
Rick
Melville Cooper
Character not listed
Joey Forman
Character not listed
Peter Miller
Character not listed
Richard Davalos
Character not listed
James Best
Character not listed
William Campbell
Character not listed
Pat Crowley
Character not listed
Peter Hansen
Character not listed
Corey Allen
Character not listed
Joby Baker
Character not listed
Barbara Eden
Character not listed
Dan White
Character not listed
Robert Vaughn
Character not listed
Kaye Elhardt
Character not listed
Edward Platt
Character not listed
Clu Gulager
Character not listed
Richard Erdman
Character not listed
Robert Gothie
Character not listed
Larry Hagman
Character not listed
Joaquín Martínez
Character not listed
Frank Fenton
Character not listed
Brian G. Hutton
Character not listed
Tristram Coffin
Character not listed
Clint Eastwood
Character not listed
Jerome Courtland
Character not listed
Henry Silva
Cadet Joe Simpson
Tom Brown
Character not listed
Leonard Nimoy
Cadet Tom Kennedy
Myrna Fahey
Nora
Ray Montgomery
Major McKyver
Don Eitner
Cadet Townsend
James Westmoreland
Character not listed
Gary Vinson
Character not listed
Troy Melton
Private Charles
Diana Douglas
Mrs. Jan Willis
Olive Sturgess
Connie
John Wilder
Cadet Stanley Roger Jacoby