One Mysterious Night

Chester Morris

— Horatio 'Boston Blackie' Black

Janis Carter

— Dorothy Anderson

William Wright

— Paul Martens

Richard Lane

— Inspector Farraday

George E. Stone

— The Runt

Robert B. Williams

— Matt Healy

Mark Roberts

— George Daley

Dorothy Malone

— Eileen Daley (Uncredited)

Joseph Crehan

— Jumbo Madigan (Uncredited)

Ben Taggart

— Traffic Cop (Uncredited)

Minerva Urecal

— Miss Wilkinson (Uncredited)

Constance Purdy

— Woman in Daley's Office (Uncredited)

Ed Allen

— Policeman (Uncredited)

Kenneth Brown

— Boy (Uncredited)

Early Cantrell

— Margaret Dean (Uncredited)

Lew Davis

— Exhibit Attendee (Uncredited)

Edythe Elliott

— Mother (Uncredited)

Jack Gardner

— Frank (Uncredited)

Fred Graff

— Reporter (Uncredited)

Harrison Greene

— Arthur Manleder (Uncredited)

Fred Howard

— Reporter (Uncredited)

Dick Jensen

— Policeman (Uncredited)

Henry Jordan

— Reporter (Uncredited)

Edward Keane

— Police Commissioner Howard (Uncredited)

Tom Kingston

— News Photographer (Uncredited)

Lyle Latell

— Detective Sergeant Matthews (Uncredited)

Billy Lenhart

— Boy (Uncredited)

Anne Loos

— Newsstand Clerk (Uncredited)

George Magrill

— Police Guard (Uncredited)

Cy Malis

— Policeman (Uncredited)