HomePeople Biography and filmographyBrian J. Casey Biography unavailable on TMDB. Movies (4)TV shows (0) Movies (4) The Death of a Playmate: The Dorothy Stratten Story 20/202019 · Sound, Original Music Composer, Additional Music Mary Poppins Returns: Behind the Magic2018 · Additional Music, Music Sledgehammers at Dawn2013 · Buggo, Music Hey... Stop Stabbing Me!2003 · Gary the Goon TV shows (0) No credits available.