Helen Mack

Nurse Katherine 'Mack' MacDonald

Dick Foran

'Killer' Lee Burke

Edmund Lowe

John Dodge

Leon Ames

Joe Largo

Horace McMahon

Larry Carson

Paul Hurst

Arlington Bysshe 'Slice' Cavanaugh

David Oliver

'Spud', the valet

Samuel S. Hinds

Judge Corrigan