Meet Boston Blackie: Reparto
Chester Morris
Boston Blackie
Rochelle Hudson
Cecelia Bradley
Richard Lane
Inspector Faraday
Constance Worth
Marilyn Howard
Jack O'Malley
Monk
George Magrill
Georgie
James Seay
Mechanical Man
Charles Wagenheim
The Runt
James Blaine
Police Captain (uncredited)
Nestor Paiva
Martin Vestrick (uncredited)
Ed Wolff
Giant (uncredited)
Byron Foulger
Blind Man (uncredited)