Phil Karlson, who directed Key Witness, also directed Jeff in Hell to Eternity in the same year.
KEY WITNESS .... 1960
Morrow) Jeff is a suburban husband who witnesses a teen gang murder. When he tries to help police investigate the crime, the gang terrorizes him and his family. Dennis Hopper plays the gang's ringleader, and Pat Crowley portrays Jeff's wife.
Two new images added on July 25, 2009:
Ted Knight, who is well known as the egotistical anchorman on the
long-running Mary Tyler Moore Show on TV in the 1970's, has a small
uncredited role as a lawyer in Key Witness.