Jeremy Spenser
Guido Ferugia
Guy Rolfe
John Morell
Kathleen Ryan
Catherine Morell
Kathleen Byron
Anne Bondini
Henry Oscar
Mario Bondini
Rosalie Crutchley
Carlotta Ferugia
Ferdy Mayne
Carlo Ferugia
James Robertson Justice
Sir Arthur Harold
John Slater
Dr. Lorenzo
Christopher Lee
Newsman
Hugo Schuster
Dr. Freihaus
Robert Rietti
Giuseppe
Robin Dowell
Nick Morell
Michael Balfour
Lucio
David McCallum Sr.
Leader of orchestra, Royal Albert Hall
Dora Hyde
Leader of orchestra, Naples
Michael Croudson
Nick's Friend
Don Liddel
Benjamino
Ben Willian
Car Driver
Alex Fields
Doorkeeper
Penny Dane
Maid
Leonard Trolley
Waiter
Prelude to Fame
Released