cast
- Dirk Bogarde
- Nicholas Whistler
- Sylva Koscina
- Vlasta Simenova
/_derived_jpg_q90_80x60_m0/BeauBrummel1954-BoxArt.jpg?partner=allrovi.com){kind=small}
- Robert Morley
- Col. Cunliffe
- Leo McKern
- Simenova
- Roger Delgado
- Josef
- John Le Mesurier
- Roger Allsop
- Richard Vernon
- Roddinghead
- Amanda Grinling
- Secretary
- Noel Harrison
- Johnnie
- Derek Nimmo
- Fred
- Jill Melford
- Lorna
- Brook Williams
- Leon
- George Pravda
- Pavelko
- Richard Pasco
- Plakov
- Eric Pohlmann
- Galushka
- Gertan Klauber
- German Research Man
- Frank Finlay
- Janitor
- Norman Bird
- Clerk
crew
- Ralph Thomas
- Director
- Betty E. Box
- Producer
- Lionel Davidson
- Book Author
- Lukas Heller
- Screenwriter
- Ernest W. Steward
- Cinematographer
- Angelo Francesco Lavagnino
- Composer (Music Score)
- Alfred Roome
- Editor
- Earl St. John
- Executive Producer
- Yvonne Caffin
- Costume Designer
