Full Cast — The Great London Mystery (1920)

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