Horatio 'Boston Blackie' Black / Cyrus Peyton

Chester Morris

Geraldine 'Gerry' Peyton

Lynn Merrick

Coroner (uncredited)

Emmett Vogan

Tenant in Hallway (uncredited)

Wanda Perry

Inspector Farraday

Richard Lane

Sgt. Matthews

Frank Sully

The Runt

George E. Stone

Mamie Kirwin

Claire Carleton

Attorney Harcourt (uncredited)

Russell Hicks

Hack Hagen (uncredited)

Charles Lane

Smiley Slade (uncredited)

Erik Rolf

Policeman (uncredited)

John Tyrrell

Director

Lew Landers

Story

Paul Yawitz

Writer

Jack Boyle

Editor

Jerome Thoms

Screenplay

Ben Markson

Producer

John Stone