Guilty Bystander (1950)

This Man Wants Something...

A 1950 film noir, starring Zachary Scott and Faye Emerson. (The film was the last film appearance for character actor Mary Boland).
An alcoholic ex-cop, now the house detective at a scuzzy hotel in an even scuzzier part of town, stumbles through New York City's sleazy underworld searching for his kidnapped son.

Director
Joseph Lerner
Writers
Don Ettlinger, H. William Miller (novel)
Stars
Zachary Scott, Faye Emerson and Mary Boland