Name: The Great London Mystery
Cast: David Devant, Lady Doris Stapleton, Charles Raymond, Robert Clifton, Kenneth Duffy

David Devant

(The Master Magician)

Lady Doris Stapleton

(Audrey Malvern)

Charles Raymond

(Ching Fu)

Robert Clifton

(Bob Sefton)

Kenneth Duffy

(Edward Selwyn)

Martin Valmour

(Webb)

Lester Gard

(The Man Monkey)

Sadie Bennett

(Curley)

Lola De Liane

(Froggie the Vampire)