Jim Larch / Jim Adams
Dr. Ben Cameron
Lilly Handy
Mickey Larch / Mickey Adams
Veronica M. Hudson
Sheila Roberts
Joe Fisher (as Bennie Bartlett)
Sheriff J.J. Willoughby
Mailman
FBI Agent Farrow
Bobby
Sanders
Shelby, the Bus Driver
Schoolgirl (as Kathryn Frye)
Student's Mother (uncredited)
(uncredited)
Henchman (uncredited)
Henchman Bruno (uncredited)
Waldo (uncredited)
Telephone Operator (uncredited)
Curly (uncredited)