Directed by Joseph McGrath
Produced by Walter Shenson
Written by Michael Pertwee
Story by Charles Isaacs
Based on Book by Ted Key
Director of Photography : Harry Waxman
Music by Edwin T. Astley
Film Editing by Jim Connock
Special Effects : Tom Howard
Cast
Jim Dale (Jeff Eldon)
Spike Milligan (Dr. Harz)
Angela Douglas (Janine)
John Bluthal (Jerry)
Norman Rossington (Tom)
Milo O'Shea (Dr. Jameson)
Richard Beaumont (Billy White)
Dinsdale Landen (Colonel Masters)
Garfield Morgan (Rogerson)
Victor Spinetti (Professor Ribart)
Harry Towb (Ringmaster)
Kenneth J. Warren (General Frank)
Bob Todd (The Great Manzini)
Margaret Stuart (Assistant)
Molly Urquhart (Aunt Ina)
Victor Maddern (Dog Home Manager)
Frank Thornton (Estate Agent)
Sandra Caron (General's Aide)
Edward Underdown (Grandfather)
Ben Aris (Army Captain)
Sheila Steafel (Control Operator)
Clovissa Newcombe (Bunny Girl)
Bob Stewart (Train Driver)
Maxine Casson (Telephone Operator)
Henry McGee (TV Announcer)
Kenneth Warren (General Frank)
Rob Stewart