as Father 'Double Trouble'
as Businessman in Car
as Arnie
as Self
as Charles Benson, School Principal
as Ross Turner
as Jack
as Director
as Dewey Koons
as Hotel Bar Patron
as Gladstone (Widdicombe's assistant)
as Fred
as Ivan Bock
as Frank Donaldsonn
as Johnny "Johnikins" Green
as George
as Harvey
as Doc Bender
as Leslie Murdock
as Lawrence
as Doc Gramm
as Dr. Pierce
as Halley
as Raymond Denmore, Jr.
as Bowman
as Ronald Stevens
as Albert
as Byron Horner
as Miles Hatcher
as Jason O'Connell
as Dr. Yambert
as Roman Lear
as Victor
as Fred McCarren
as Borden Crane
as Maxwell Donahue / Atomic Man
as Announcer
as Ben Gracie
as Tommy
as Sprad
as Richard
as Judge Clarence Franklin
as D. A. Lynn
as Fred McConnell
as Dr. David Atkins
as Video Technician
as Palindrome
as Homer
as German Captain
