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