Irvin Berwick: Irvin Berwick. Director: The 7th Commandment. Irving Berwick was a child prodigy, playing concert piano before the age of ten. Although he never gave up playing privately, his career was to be in films. His first job, in Hollywood, was as a dialogue coach, working under contract at Columbia Studios in the mid- to late 1940s and frequently with William Castle. Berwick was employed at Universal-International throughout much of the...