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