Bing Crosby character Harry Turner
Bob Hope character Chester Babcock
Joan Collins character Diane
Robert Morley character Leader of the 3rd Echelon
Walter Gotell character Dr. Zorbb
Felix Aylmer character Grand Lama
Dorothy Lamour character Dorothy Lamour
Roger Delgado character Jinnah
Jacqueline Jones character Blonde at Airport
Katya Douglas character 3rd Echelon Receptionist
Mei Ling character Ming Toy
Robert Ayres character American Official
Alan Gifford character American Official
Peter Sellers character Indian Neurologist (uncredited)
David Niven character Lama who remembers Lady Chatterly's Lover (uncredited)
Dean Martin character The 'Grape' on Plutomium (uncredited)
Frank Sinatra character The 'Twig' on Plutomium (uncredited)
Dave King character Mr. Ahso - Chinese Restaurant Owner (uncredited)
Pat O’Brien character Chinese Restaurateur (uncredited)
Peter Madden character Lama, Slim (uncredited)
Bob Simmons character Astronaut (uncredited)
Nosher Powell character Astronaut (uncredited)
Tutte Lemkow character Hotel Servant (uncredited)
Robin Hughes character American Official (uncredited)
Harry Baird character Nubian at Lamasary (uncredited)
Roy Patrick character Leader's Man(uncredited)
Victor Brooks character Leader's Man (uncredited)
John Dearth character Leader's Man (uncredited)
Jerry Colonna character Man Looking For a Match (uncredited)
Edwina Carroll character Girl (uncredited)
Sheree Winton character Girl (uncredited)
Michel Mok character Undetermined Role (as Michele Mok)
