Raymond Walburn
Bruce Vander
Truman Bradley
Dr. William 'Bill' Collins
Thurston Hall
Harold Kellogg
Chester Clute
Sidney Keats
Horace McMahon
Sylvester Odgen 'SOS' Schofield (as Horace MacMahon)
Thomas E. Jackson
Warden Tom Hammond
Elliott Sullivan
Tony Brody
Selmer Jackson
Dr. Harry Lindsay
Vinton Hayworth
'Windy' Windsor (as Jack Arnold)
Brooks Benedict
Reporter (uncredited)
Leo Cleary
Deputy Taking Collins to Prison (uncredited)
Richard Cramer
Guard Finding Keats' Menu (uncredited)
Hal K. Dawson
Mike, a Reporter (uncredited)