HomePeople Biography and filmographyWilliam B. Mack Biography unavailable on TMDB. Movies (7)TV shows (0) Photos Movies (7) The Song and Dance ManThe Song and Dance Man1926 · Tom Crosby The Steadfast HeartThe Steadfast Heart1923 · Crane Backbone1923 · Anthony Bracken Missing Millions1922 · Thomas Dawson Heliotrope1920 · 'Spike' Foley The Deep Purple1920 · Gordon Laylock Virtuous Men1919 · Mocket TV shows (0) No credits available.