Lady of Vengeance 1957

Synopsis:

When publisher William Marshall learns his young ward Melissa Collins has committed suicide, he sets in motion a plan to murder the man who drove Melissa to kill herself. Mistakenly believing that singer Larry Shaw is his intended target, Marshall unwittingly seeks help from the man who actually broke Melissa's heart.

Directed by: Burt Balaban
Written by: Irve Tunick
Runtime: 73 minutes
Tagline: A shocking woman... a shocker of a story!
Cast:
Dennis O'Keefe
Dennis O'Keefe
William T. Marshall 
Ann Sears
Ann Sears
Katie Whiteside 
Anton Diffring
Anton Diffring
Karmak 
Patrick Barr
Patrick Barr
Inspector Madden 
Vernon Greeves
Vernon Greeves
Larry Shaw 
Eileen Elton
Eileen Elton
Melissa Collins