Truman Bradley
Dr. William 'Bill' Collins
Horace McMahon
Sylvester Odgen 'SOS' Schofield (as Horace MacMahon)
Vinton Hayworth
'Windy' Windsor (as Jack Arnold)
Leo Cleary
Deputy Taking Collins to Prison (uncredited)
Richard Cramer
Guard Finding Keats' Menu (uncredited)
Hal K. Dawson
Mike, a Reporter (uncredited)
Joe Devlin
Vince Connell (uncredited)
John Dilson
Observer at Train Station (uncredited)
Charlie Hall
Cockney Convict Heckler (uncredited)
Kenneth Harlan
Jerry Connell (uncredited)
Dell Henderson
Dell, Deputy Taking Vander to Prison (uncredited)
Donald Kerr
Prison Library Clerk (uncredited)
George Magrill
Guard in Yard (uncredited)
Herman Marks
Convict Taunting New Prisoners (uncredited)
Larry McGrath
Visitor's Room Guard (uncredited)
Frank Mills
Convict Chef Dominick (uncredited)
Bruce Mitchell
Train Conductor (uncredited)
Frank O'Connor
Frank, Prison Guard (uncredited)
John Sheehan
Deputy Taking Keats & Kellogg to Prison (uncredited)
Sammy Stein
Mess Hall Guard (uncredited)
Grady Sutton
Jock, Vander's Nephew (uncredited)
Anthony Warde
Max, Convict (uncredited)
Charles Cahill Wilson
R.J. Reynolds, Sunday Editor (uncredited)