as President
as Col. Mason
as Deputy Director Brown
as Walter Warner Sr.
as The Banker with Chris
as Obstetrician
as The Cat in the Hat / Narrator
as Grandpa (voice)
as Harry Tannenbaum
as Mr. Pike
as Ron Sandler
as Wally
as Father Nestor
as Sumner Murdock
as Dr. Gordon
as Frank Halloran
as Derek's Father
as Father Francis Ryan
as Geoffrey Wiggins
as Ray Mellette
as Narrator (voice)
as Dr. Eliot Losen
as Ford
as Francis
as Henry D. Hyde
as Bob Rutherford
as Elmo Tyson
as Willie the Wino
as Dr. Rochelle
as Dr. Karl Janss
as Dr. Ed Johnson
as Bill Cairns
as Narrator
as Mr. Watkins
as Roger Philby
as Justice Joseph Crouch
as Professor Lloyd Rhodes
as Mr. Hoyt
as Richard Simmons
as Charlie Hume
as Clinton Anderson
as GI Engineer Walter Maxwell (uncredited)
as Bob Ranier
as Bill Wendover
as President Harris
as Mr. Trapwell (segment "The Scoop")
as Sidney Pomerantz
as Francis Ryan
