Michael Rennie

as The Keeper (archive footage)

as Dr. Odo Warnoff

as Bernard Law Montgomery

as Harvey Ward

as Arthur Nordlund

as Geoffrey - Duke of Lanbourne

as Garth A7

as Brooks Durham

as Lord John Roxton

as Captain John Winter

as Hilary Carson

as Lord Albert Esketh

as Inspector Merryweather, Hong Kong Marine Police

as Bernadotte

as Rama Khan

as Peter

as Brig. Gen. J. R. Maitland

as Peter

as Dr. Paul Manning

as End Narrator (Voice)

as Jean Valjean

as Colin Travers

as Dr. Robert Fortness

as Roger Forsyth

as Narrator (voice) (uncredited)

as Klaatu / Mr. Carpenter

as Dr. Pearson

as Major George Templeton (segment Sanatorium)

as King Edward

as 1st Centurion

as Kit Locksby

as Guardsman (uncredited)

as Minor Role (uncredited)