Diễn viên
Gary Raymond
Alastair
Miriam Karlin
Mrs. Joe
Virginia Vernon
Polly Smith
Graham Stark
Butler
Dennis Price
Adrian
Noel Purcell
Professor Merton
Diana Coupland
Nurse
Willoughby Goddard
President
Gordon Sterne
Second Secretary
Peter Sellers
Dr. Kabir
Derek Nimmo
3rd Secretary (uncredited)
Sophia Loren
Epifania Parerga
Eleanor Summerfield
Mrs. Willoughby
Pauline Jameson
Muriel Pilkington
Alfie Bass
Fish Curer
Wally Patch
Whelk Seller
Peter Sallis
Minor Role (uncredited)
Vittorio De Sica
Joe
Alastair Sim
Sagamore