"Police battle against a gang of blackmailers known as The Crimson Circle."
Lya Mara
as Thalia Drummond
Fred Louis Lerch
as Jack Birdmore
Stewart Rome
as Derrick Yale
Albert Steinrück
as Froyant
John Castle
as Inspektor Parr
Otto Wallburg
as Marl
Hans Albers
as Diener von Marl
Hans Marlow
as Birdmore
Otto Treßler
as Ministerpräsident
Ilka Grüning
as Eine Vermieterin
Annie Ann
as Milly
Bruno Ziener
as Kriminalkommissar
Hugo Döblin
as Pfandleiher
Ria Weber
as Zofe
Frederic Zelnik
Director
Howard Caye
Writer
Edgar Wallace
Novel
Robert A. Dietrich
Art Direction
Luis Domke
Assistant Director
Edmund Meisel
Music
Producer
Fanny Carlsen
Frederik Fuglsang
Director of Photography
Leslie Rowson
