Charlie Chaplin
Role: King Shahdov
Maxine Audley
Role: Queen Irene
Jerry Desmonde
Role: Prime Minister Voudel
Oliver Johnston
Role: Ambassador Jaume
Dawn Addams
Role: Ann Kay - TV Specialist
Sid James
Role: Johnson - TV Advertiser
Joan Ingram
Role: Mona Cromwell - Hostess
Michael Chaplin
Role: Rupert Macabee
John McLaren
Role: Macabee Senior
Phil Brown
Role: Headmaster
Robert Arden
Role: Liftboy
Alan Gifford
Role: School Superintendent
Robert Cawdron
Role: U.S. Marshal
George Woodbridge
Role: Member of Atomic Commission
Clifford Buckton
Role: Member of Atomic Commission
Vincent Lawson
Role: Member of Atomic Commission
Lauri Lupino Lane
Role: Comedian
George Truzzi
Role: Comedian
Yvonne Romain
Role: Older Girl
Tony Crombie
Role: Nightclub Drummer (uncredited)
Pat Gibson
Role: Girl (uncredited)
Anne Gilleno
Role: Nurse (uncredited)
Wendy Graham
Role: (uncredited)
Lilian Grassom
Role: Cute Girl (uncredited)
Arthur Gross
Role: Autograph Hunter (uncredited)
Tubby Hayes
Role: Nightclub Saxophonist (uncredited)
Frazer Hines
Role: Boy (uncredited)
Roy Hines
Role: Boy (uncredited)
Penelope Horner
Role: Girl (uncredited)
Jemma Hyde
Role: Girl (uncredited)
Jeanette Jacobs
Role: Girl (uncredited)
Pauline Keen
Role: Older Girl (uncredited)
Kevin Kelly
Role: Boy (uncredited)
Hugh McDermott
Role: Bill Johnson (uncredited)
Bill Nagy
Role: Television Announcer (uncredited)
MacDonald Parke
Role: (uncredited)
Jose Read
Role: Boy (uncredited)
Michael Saunders
Role: Boy (uncredited)
Antoinette Seaborn
Role: Girl (uncredited)
Richard Shaw
Role: Butler (uncredited)
Bernice Swanson
Role: (uncredited)
Gareth Tandy
Role: Boy (uncredited)
Nicholas Tannar
Role: Butler (uncredited)
David Tilley
Role: Boy (uncredited)
Howard Vaughn
Role: Boy (uncredited)
Gillian Watt
Role: Teenager (uncredited)
Robin Wheeler
Role: Cooking Student (uncredited)
Ross Yeo
Role: Boy (uncredited)