HomePeople Biography and filmographyDiane Sinclair Biography unavailable on TMDB. Movies (7)TV shows (0) Movies (7) Tomorrow's Children1934 · Alice Mason The Fighting Code1933 · Helen James Cradle Song1933 · Christina Damaged Lives1933 · Joan Bradley Dangerous Crossroads1933 · Lois Marvin The Rustler's Roundup1933 · Mary Brand The Washington Masquerade1932 · Ruth Keane TV shows (0) No credits available.