Alcatraz Island

'Gat' Brady

Flo Allen

Annabel "Ann" Brady

George Drake

David 'Harp' Santell

Richard 'Red' Carroll

Fred MacLane

'Tough Tony' Burke

The Flying Dutchman

Miss Tolliver

Miss Marquand

Alcatraz Warden

Sally Carruthers

The Red Head

Butch - Gat's Henchman

'Whitey' Edwards

Party Girl (uncredited)

Crandall (uncredited)

Prison Guard (uncredited)

Attorney (uncredited)

Judge (uncredited)

Juror (uncredited)

First Trial Fixed Juror (uncredited)

Court Clerk (uncredited)