What movie studio connects Rudi Fehr to the movie Dial M for Murder?
Rudi Fehr:  He worked for more than forty years for the Warner Brothers film studio, where he was the Head of Post-production from 1955 through 1976. Dial M for Murder:  The movie was released by Warner Bros., though due to the then-waning popularity of 3D films, it was converted to 2D, and only showed in its native 3D format in a small handful of cinemas.
Warner Brothers