Boris Karloff as George Sims

Anna Lee as Nell Bowen

Billy House as Lord Mortimer

Richard Fraser as The Stonemason

Glen Vernon as The Gilded Boy

Ian Wolfe as Sidney Long

Jason Robards Sr. as Oliver Todd

Leyland Hodgson as 'That Devil' Wilkes

Joan Newton as Dorothea the Dove

Elizabeth Russell as Mistress Sims

Larry Wheat as Podge (uncredited)

Skelton Knaggs as Varney (uncredited)

Robert Clarke as Dan (uncredited)

Vic Holbrook as Tom (uncredited)

Polly Bailey as Scrub Woman (uncredited)

John Beck as Solomon (uncredited)

Ted Billings as Inmate (uncredited)

Ellen Corby as Betty, Queen of the Artichokes (uncredited)

Jane Crowley as Inmate (uncredited)

Bruce Edwards as Warder (uncredited)

Betty Gillette as Woman (uncredited)

John Goldsworthy as Chief Commissioner (uncredited)

Jack Gordon as Mover (uncredited)

Bobby Hale as Inmate (uncredited)

Harry Harvey as John Gray (uncredited)

Lars Hensen as Inmate (uncredited)

George Holmes as 2nd Stonemason (uncredited)

John Ince as Judge (uncredited)

Jimmy Jordan as 3rd Stonemason (uncredited)

Donna Lee as Cockney Girl (uncredited)

Nan Leslie as Cockney Girl (uncredited)

James Logan as Bailiff (uncredited)

John Meredith as Maniac Inmate (uncredited)

Tommy Noonan as 1st Stonemason (uncredited)

Frank Pharr as 2nd Commissioner (uncredited)

Foster H. Phinney as Lord Sandwich (uncredited)

Robert Seiter as John, the Footman (uncredited)

Ray Spiker as Guard (uncredited)

Victor Travis as Sims' Friend (uncredited)

Eleanore Vogel as Inmate (uncredited)

Frankie Dee as Pompey (uncredited)

Hamilton Camp as Pompey (voice) (uncredited)