Générique complet
The Man Behind the Mask
Hugh Williams
Nick Barclay
Jane Baxter
Lady June Slade
Ronald Ward
Jimmy Slade
Maurice Schwartz
The Master
George Merritt
Det. Insp. Mallory
Henry Oscar
Interpol Detective
Donald Calthrop
Dr. Harold E. Walpole
Kitty Kelly
Marian Weeks
WC
Wilfrid Caithness
Raines - the butler
Peter Gawthorne
Lord Slade
GF
Gerald Fielding
Harrah
Reginald Tate
Allan Hayden
MF
Moyra Fagan
Nada
Ivor Barnard
Hewitt
Barbara Everest
Lady Slade
HG
Hal Gordon
Sergeant
Syd Crossley
Policeman
Henry Caine
Beetson - Nick's Butler
Esma Cannon
Waitress
Cameron Hall
Cast Member
