Joe McGrath Director Peter Sellers Sir Guy Grand Actor Ringo Starr Youngman Grand Actor Richard Attenborough Oxford Coach Actor Isabel Jeans Dame Agnes Grand Actor Caroline Blakiston Hon. Esther Grand Actor Wilfrid Hyde-White Captain Reginald K. Klaus Actor Terence Alexander Mad Major Actor Peter Bayliss Pompous Toff Actor Joan Benham Socialite in Sotheby's Actor Patrick Cargill Auctioneer at Sotheby's Actor Graham Chapman Oxford Crew (uncredited) Actor John Cleese Director in Sotheby's Actor Clive Dunn Sommelier Actor Peter Graves Lord at Ship's Bar (uncredited) Actor David Hutcheson Lord Barry Actor John Le Mesurier Sir John (uncredited) Actor Jeremy Lloyd Lord Hampton Actor David Lodge Ship's Guide Actor Ferdy Mayne Edouard Actor Frank Thornton Police Inspector (uncredited) Actor Denis O'Dell Producer Anthony B. Unger Executive Producer Henry T. Weinstein Executive Producer Ken Thorne Original Music Geoffrey Unsworth Cinematographer Kevin Connor Film Editing John Frederick Casting Assheton Gorton Production Design George Djurkovic Art Director Evangeline Harrison Costume Design