 Bing CrosbyHarry Turner | Harry Turner |
 Bob HopeChester Babcock | Chester Babcock |
 Joan CollinsDiane | Diane |
 Robert MorleyLeader of the 3rd Echelon | Leader of the 3rd Echelon |
 Walter GotellDr. Zorbb | Dr. Zorbb |
 Felix AylmerGrand Lama | Grand Lama |
 Alan GiffordAmerican Official | American Official |
 Michel MokUndetermined Role (as Michele Mok) | Undetermined Role (as Michele Mok) |
 Katya Douglas3rd Echelon Receptionist | 3rd Echelon Receptionist |
 Roger DelgadoJinnah | Jinnah |
 Robert AyresAmerican Official | American Official |
| MMei LingMing Toy | Ming Toy |
 Jacqueline JonesBlonde at Airport | Blonde at Airport |
 Yvonne ShimaNot listed | Not listed |
 Dorothy LamourDorothy Lamour | Dorothy Lamour |
 Peter SellersIndian Neurologist (uncredited) | Indian Neurologist (uncredited) |
 David NivenLama Remembering Lady Chatterly's Lover (uncredited) | Lama Remembering Lady Chatterly's Lover (uncredited) |
 Dean MartinGrape on Plutomium (uncredited) | Grape on Plutomium (uncredited) |
 Frank SinatraTwig on Plutomium (uncredited) | Twig on Plutomium (uncredited) |
 Dave KingMr. Ahso (uncredited) | Mr. Ahso (uncredited) |
 Pat O'BrienChinese Restaurateur (uncredited) | Chinese Restaurateur (uncredited) |
 Peter MaddenLama Slim (uncredited) | Lama Slim (uncredited) |
 Bob SimmonsAstronaut (uncredited) | Astronaut (uncredited) |
 Nosher PowellAstronaut (uncredited) | Astronaut (uncredited) |
 Tutte LemkowHotel Servant (uncredited) | Hotel Servant (uncredited) |
 Robin HughesAmerican Official (uncredited) | American Official (uncredited) |
 Harry BairdNubian at Lamasary (uncredited) | Nubian at Lamasary (uncredited) |
| RRoy PatrickLeader's Man(uncredited) | Leader's Man(uncredited) |
 Victor BrooksLeader's Man (uncredited) | Leader's Man (uncredited) |
 John DearthLeader's Man (uncredited) | Leader's Man (uncredited) |
