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Charly (1968)
directed by Ralph Nelson
featuring Cliff Robertson, Claire Bloom, Leon Janney, Lilia Skala, Dick Van Patten -
The Doorway to Hell (1930)
directed by Archie Mayo
featuring Lew Ayres, Charles Judels, Dorothy Mathews, Leon Janney, Robert Elliott, James Cagney -
Penrod and Sam (1931)
directed by William Beaudine
featuring Leon Janney, Matt Moore, Dorothy Peterson, Johnny Arthur -
Fame Street (1932)
directed by Louis King
featuring Henry B. Walthall, Leon Janney, Aileen Pringle, King Baggot, Lionel Belmore -
Stolen Paradise (1941)
directed by Louis J. Gasnier
featuring Wilma Francis, Eleanor Hunt, Leon Janney, Esther Muir, Doris Blaine