The Invisible Killer

The Invisible Killer is a 1939 American mystery film directed by Sam Newfield and starring Grace Bradley, Roland Drew and William Newell. It was one of the earliest films made by Producers Releasing Corporation, a low-budget outfit concentrating on second features.

Plot
A racketeer offers to inform the district attorney about the ringleaders of a gambling syndicate but is murdered before he can do so by a seeming "invisible killer." Newspaper reporter Sue Walker and her policeman, fiancée Jerry Brown take up the investigation.

Cast

 * Grace Bradley as Sue Walker
 * Roland Drew as Lt. Jerry Brown
 * William Newell as 	Det. Sgt. Pat Dugan
 * Alex Callam as Arthur Enslee
 * Frank Coletti as 	Vani Martin
 * Sidney Grayler as 	Lefty Ross
 * Crane Whitley as Dist. Atty. Richard Sutton
 * Boyd Irwin as 	Mr. Cunningham
 * Jean Brooks as 	Gloria Cunningham
 * David Oliver as 	Llewellyln Worcester, Sutton's Valet
 * Harry Woth as Tyler, Sutton's Secretary
 * Ernie Adams as Squint, the Croupier
 * Kernan Cripps as 	Plainclothesman
 * John Elliott as Gambler
 * Al Ferguson as 	Detective Guarding Tyler
 * Larry Steers as 	Sue's Boss