The Blue Envelope Mystery

Lillian Walker

Leslie Brennan

John Drew Bennett

Ewen Kennedy

Bob Hay

Harry Heath

Charles Kent

Uncle Bob

Josephine Earle

Miss Lacy

Harry Northrup

Fischer

Florence Radinoff

Mrs. Davis

Isabel West

Mrs. Harris

William Shea

George

Adolphe Menjou

Bit Part (uncredited)

Sophie Kerr

Novel

Wilfrid North

Director

Helen Duey

Scenario Writer