Peter Sellers (Sir Guy Grand)
Ringo Starr (Youngman Grand)
Isabel Jeans (Agnes Grand)
Christopher Lee (Ship's Vampire)
Caroline Blakiston (Esther)
Raquel Welch (Priestess of the Whip)
Ferdy [Ferdinand] Mayne (Edouard)
Guy Middleton (Duke of Montisbriar)
Roman Polanski (Solitary Drinker)
Sean Barry-Weske (John Lennon lookalike)
John Lennon (Himself (Getting on Boat))
Kimberly Chung (Yoko Ono lookalike)
Wilfrid Hyde-White (Capt.Reginald K. Klaus)
Clive Dunn (Sommelier)
Joan Benham (Socialite in Sotheby's)
Yul Brynner (Bar Singer (uncredited))
Graham Chapman (Oxford Crew (uncredited))
Fred Emney (Fitzgibbon)
Patrick Holt (Duke in Sotheby's)
Spike Milligan (Traffic Warden)
Tom Boyle (My Man Jeff)
Terry Alexander (Mad Major)
Peter Bayliss (Pompous Torr)
Patrick Cargill (Auctioneer)
John Cleese (Director In Sotheby's)
Freddie Earlle (Sol)
Kenneth Fortescue (Irate Snob)
Peter Graves (Lord At Ship's Bar)
David Hutcheson (Lord Barry)
Hattie Jacques (Ginger Horton)
John Le Mesurier (Sir John)
Jeremy Lloyd (Lord Hampton)
David Lodge (Ship's Guide)
Victor Maddern (Hot Dog Vendor)
Peter Myers (Lord Kilgallon)
Dennis Price (Winthrop)
Robert Raglan (Maltravers)
Graham Stark (Waiter)
Leon Thau (Engine Room Toff)
Frank Thornton (Police Inspector)
Michael Trubshawe (Sir Lionel)
Edward Underdown (Prince Henry)
Michael Aspel (TV Commentator)
Harry Carpenter (TV Commentator)
John Snagge (TV Commentator)
Alan Whicker (TV Commentator)
Richard Attenborough (Oxford Coach)
Leonard Frey (Laurence Faggot)
Laurence Harvey (Hamlet)