Scarlet Web

Griffith Jones

Jake Winter

Hazel Court

Susan Honeywell

Zena Marshall

Laura Vane

Robert Percival

Charles Dexter

Molly Raynor

Miss Riggs

Ronnie Stevens

Simpson (as Ronald Stevens)

John Fitzgerald

Bert

Stuart Douglass

Robert Moore

Inspector Henry

Gail Kendall

(as Gail Kendal)

David Stoll

Alphonse - Hairdresser

Michael Balfour

Barman

Katie Stuart

Judith Nelmes

Leo Phillips

Ex-con Phoning Inspector Henry

Frank Forsyth

Jeweller (uncredited)