David Selburg

as Marshall

as Government Man

as Harold

as Policeman

as Dr. Clements

as On Scene Reporter

as Mr. Whitcomb

as Felix (uncredited)

as Benny Murdock

as Whalen

as Dr. Syrus

as Dr. Stevens

as Judge

as Toscat

as Vulcan Captain

as Lou

as Dr. Dryer

as Dr. Dyer

as Judge J. Holmes

as Strategist