Harry O. Hoyt
- Cinderella Horse
1949 Director
- A Day at Hollywood Park
1947 Director
- The Missing Corpse
1945 Story
- Lady in the Death House
1944 Screenplay
- A Fig Leaf for Eve
1944 Writer
- The Avenging Rider
1943 Screenplay
- Lost Canyon
1942 Screenplay
- Jungle Menace
1937 Screenplay
- Headline Crasher
1937 Adaptation
- The Legion of Missing Men
1937 Writer
- Rustlers' Valley
1937 Screenplay
- Young Eagles
1934 Story
- The Fighting Ranger
1934 Writer
- Jungle Bride
1933 Director
- The Thrill Hunter
1933 Writer
- Clancy of the Mounted
1933 Adaptation
- The Man from New Mexico
1932 Screenplay
- The Rampant Age
1930 Writer
- Second Honeymoon
1930 Writer
- The Body Punch
1929 Writer
- Good Morning, Judge
1928 Story
- 13 Washington Square
1928 Writer
- The Count of Ten
1928 Writer
- Stop That Man
1928 Writer
- The Return of Boston Blackie
1927 Director
- The Wizard
1927 Writer
- The Clown
1927 Writer
- Painting the Town
1927 Screenplay
- Bitter Apples
1927 Director
- Hot Heels
1927 Writer
- The Kid Sister
1927 Scenario Writer
- Wandering Girls
1927 Adaptation
- The Belle of Broadway
1926 Director
- When Love Grows Cold
1926 Director
- The Adorable Deceiver
1926 Original Story
- The Better Way
1926 Story
- Sweet Rosie O'Grady
1926 Story
- The Lost World
1925 Director
- The Primrose Path
1925 Director
- The Unnamed Woman
1925 Director
- The Woman on the Jury
1924 Director
- Sundown
1924 Director
- Flaming Youth
1923 Writer
- That Woman
1922 Director
- The Curse of Drink
1922 Director
- God's Country and the Law
1921 Writer
- The Rider of the King Log
1921 Director
- Pardon My French
1921 Scenario Writer
- The Adventures of Daredevil Jack
1920 Scenario Writer
- Through the Toils
1919 Director
- A Broadway Saint
1919 Director
- Forest Rivals
1919 Director
- The Hand Invisible
1919 Director
- Hit or Miss
1919 Story
- Courage for Two
1919 Scenario Writer
- The Rough Neck
1919 Writer
- The Battler
1919 Writer
- The Girl of Today
1918 Writer
- I Want to Forget
1918 Story
- The Road to France
1918 Writer
- The Power and the Glory
1918 Scenario Writer
- By Right of Purchase
1918 Screenplay
- The Beloved Blackmailer
1918 Story
- The Sea Waif
1918 Screenplay
- Hitting the Trail
1918 Adaptation
- By Hook or Crook
1918 Story
- The Queen of Hearts
1918 Story
- Neighbors
1918 Scenario Writer
- Just Sylvia
1918 Story
- The Zero Hour
1918 Scenario Writer
- The Moth
1917 Screenplay
- The Weavers of Life
1917 Scenario Writer
- The Half Million Bribe
1916 Scenario Writer
- Dimples
1916 Writer
- Rose of the Alley
1916 Writer
- The Child of Destiny
1916 Writer
- The Night Operator at Buxton
1915 Writer
