So Lovely, So Deadly (1957)
Overview
A recently widowed woman hires a struggling P.I. to spend some time with her stepdaughter, still distraught over her wealthy father's fatal horse-riding accident. He comes to believe it was no accident, and resolves to identify the killer.
Cast
Henry Beckman
Steve Clark
Robert Middleton
Eddie Rocco
Woodrow Parfrey
Bill Emerson
Don De Leo
Dr. William Parkes
Lou Gilbert
Tony, the Barber