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