The Invisible Killer
Sue Walker
Lt. Jerry Brown
Det. Sgt. Pat Dugan
Arthur Enslee
Vani Martin
Lefty Ross
Dist. Atty. Richard Sutton
Mr. Cunningham
Gloria Cunningham
Llewellyln Worcester, Sutton's Valet
Tyler, Sutton's Secretary
Squint, the Croupier
Plainclothesman (uncredited)
Gambler (uncredited)
Detective Guarding Tyler (uncredited)
Sue's Boss (uncredited)
