Trilby O'Farrell
Hildegard Knef
Svengali
Donald Wolfit
Barizel
Harry Secombe
Police Inspector
Peter Illing
Mrs. Bagot
Joan Haythorne
Dubose
Hugh Cross
Dodor
David Oxley
Lambert
Richard Pearson
Mama Martin
Toots Pounds
Zou Zou
Michael Craig
Contran
Neville Phillips
Doctor
Martin Boddey
Billy Bagot
Terence Morgan
Dresser
Rica Fox
Barmaid
Joan Heal
Tout
Arnold Bell
Stage Manager
Cyril Smith
Marne Maitland
Billy's Uncle
Michael Hordern
Trilby O'Ferrall (singing voice)
Elisabeth Schwarzkopf
Landlord
Derek Bond
Carrell
Alfie Bass
Patrick O'Farrell
Noel Purcell
Pierre
Jeremy Brett
Taffy
Paul Rogers
Gecko
David Kossoff
Durian
Hubert Gregg
Director
Noel Langley
Screenplay
Director of Photography
Wilkie Cooper
Music
Muir Mathieson
William Alwyn
Editor
John Pomeroy
Novel
George du Maurier
Costume Design
Beatrice Dawson
Art Direction
Frederick Pusey
Assistant Director
Denis O'Dell
Associate Producer
Douglas Peirce
Hairstylist
Nora Bentley
Makeup Artist
Harold Fletcher
Presenter
George Minter
Gordon Bond
Camera Operator
Alan Hume
Assistant Editor
Anne Barker
Sound Recordist
Sash Fisher
Casting
Maude Spector
Production Manager
Ben Arbeid