A man hypnotizes a young woman into being an opera singer.
Hildegard Knef
Trilby O'Farrell
Donald Wolfit
Svengali
Terence Morgan
Billy Bagot
Derek Bond
Landlord
Alfie Bass
Carrell
Noel Purcell
Patrick O'Farrell
Jeremy Brett
Pierre
Paul Rogers
Taffy
David Kossoff
Gecko
Hubert Gregg
Durian
Harry Secombe
Barizel
Peter Illing
Police Inspector
Joan Haythorne
Mrs. Bagot
Hugh Cross
Dubose
David Oxley
Dodor
Richard Pearson
Lambert
Toots Pounds
Mama Martin
Michael Craig
Zou Zou
Neville Phillips
Contran
Martin Boddey
Doctor
Rica Fox
Dresser
Joan Heal
Barmaid
Arnold Bell
Tout
Cyril Smith
Stage Manager
Marne Maitland
Michael Hordern
Billy's Uncle
Elisabeth Schwarzkopf
Trilby O'Ferrall (singing voice)
