 | The Boots on the Western Front
Story Supervisor |
 | The Buccaneer
Screenplay |
 | The Gracie Allen Murder Case
Screenplay |
 | Union Pacific
Screenplay |
 | The Buccaneer
Screenplay |
 | Three Live Ghosts
Screenplay |
 | The Awakening of Jim Burke
Story |
 | Car 99
Screenplay |
 | Father Brown, Detective
Screenplay |
 | Men Must Fight
Screenplay |
 | Strange Interlude
Writer |
 | Skyscraper Souls
Adaptation |
 | Red-Headed Woman
Additional Writing |
 | The Cuban Love Song
Screenplay |
 | Young Desire
Writer |
 | All Quiet on the Western Front
Story Supervisor |
 | The Locked Door
Screenplay |
 | Alibi
Writer |
 | The Woman Disputed
Screenplay |
 | Tempest
Writer |
 | Sadie Thompson
Editor |
 | Turkish Delight
Supervising Producer |
 | The Bugle Call
Writer |
 | The Yankee Clipper
Presenter |
 | Bachelor Brides
Writer |
 | Sparrows
Adaptation |
 | Three Faces East
Adaptation |
 | Braveheart
Writer |
 | Tumbleweeds
Adaptation |
 | The Pinch Hitter
Story |
 | Playing with Souls
Adaptation |
 | The Mirage
Adaptation |
 | Idle Tongues
Writer |
 | Cheap Kisses
Screenplay |
| | Cheap Kisses
Story |
 | The Only Woman
Writer |
 | The House of Youth
Scenario Writer |
 | Dynamite Smith
Screenplay |
 | Wandering Husbands
Story |
| | Wandering Husbands
Scenario Writer |
 | The Marriage Cheat
Adaptation |
 | The Goldfish
Writer |
 | Long Live the King
Adaptation |
| | Long Live the King
Screenplay |
 | The Dangerous Maid
Writer |
 | Dulcy
Writer |
 | Human Wreckage
Writer |
 | Soul of the Beast
Story |
 | White Hands
Story |
 | Hail the Woman
Writer |
 | Greater Than Love
Writer |
 | Mother o' Mine
Writer |
 | Good Women
Screenplay |
 | Love Madness
Screenplay |
| | Love Madness
Story |
 | The False Road
Writer |
 | Sex
Writer |
 | The Woman in the Suitcase
Writer |
 | Dangerous Hours
Writer |
| | Dangerous Hours
Screenplay |
 | John Petticoats
Writer |
 | Stepping Out
Writer |
 | The Virtuous Thief
Screenplay |
 | Wagon Tracks
Writer |
 | Sahara
Writer |
 | Other Men's Wives
Screenplay |
| | Other Men's Wives
Story |
 | The Lady of Red Butte
Writer |
 | The Poppy Girl's Husband
Co-Writer |
 | Happy Though Married
Writer |
 | Branding Broadway
Writer |
 | When Do We Eat?
Screenplay |
| | When Do We Eat?
Story |
 | The Border Wireless
Writer |
 | Vive la France!
Scenario Writer |
 | The Vamp
Writer |
 | Shark Monroe
Screenplay |
 | Selfish Yates
Writer |
 | Love Me
Scenario Writer |
 | The Keys of the Righteous
Screenplay |
 | Without Honor
Story |
 | The Hater of Men
Writer |
 | The Girl, Glory
Scenario Writer |
 | Happiness
Writer |
 | The Pinch Hitter
Writer |
 | The Iced Bullet
Scenario Writer |
 | The Criminal
Scenario Writer |
 | A Corner in Colleens
Scenario Writer |
 | The Return of Draw Egan
Screenplay |
 | Plain Jane
Writer |
 | The Dawn Maker
Screenplay |
 | The Wolf Woman
Writer |
 | The Thoroughbred
Writer |
 | Home
Scenario Writer |
 | Shell 43
Writer |
 | The Eye of the Night
Writer |
 | The Dividend
Writer |
 | Civilization
Writer |
 | The Market of Vain Desire
Writer |
| | The Beggar of Cawnpore
Writer |
 | Civilization's Child
Writer |
 | The Aryan
Writer |
 | The Stepping Stone
Writer |
 | Hell's Hinges
Screenplay |
| | Honor's Altar
Writer |
 | The Green Swamp
Writer |
 | Peggy
Writer |
 | Between Men
Screenplay |
| | The Forbidden Adventure
Scenario Writer |
 | Matrimony
Scenario Writer |
 | The Iron Strain
Story |
| | The Iron Strain
Scenario Writer |
 | The Toast of Death
Scenario Writer |
 | The Phantom Extra
Story |
 | The Ruse
Writer |
 | The Reward
Scenario Writer |
 | Tools of Providence
Scenario Writer |
 | The Darkening Trail
Story |
| | Hostage of the North
Story |
 | The Man from Nowhere
Scenario Writer |
| | The Man from Nowhere
Story |
| | The Cup of Life
Writer |
 | The Riddle of the Wooden Leg
Story |
 | On the Night Stage
Story |
 | The Roughneck
Writer |
 | In the Switch Tower
Story |
 | The Mill by the Zuyder Zee
Story |
 | The Girl Who Might Have Been
Story |
 | On the High Seas
Story |
 | Winning Back
Scenario Writer |
 | The Grudge
Story |
 | Mr. 'Silent' Haskins
Story |
| | The Gun Fighter
Story |
| | The Cross of Fire
Writer |
 | In the Land of the Otter
Writer |
| | The Scourge of the Desert
Writer |
 | The Italian
Story |
 | The Last of the Line
Writer |
 | Two-Gun Hicks
Writer |
| | Willie
Scenario Writer |
 | The Wrath of the Gods
Screenplay |
| | In the Sage Brush Country
Writer |
| | The Days of '49
Screenplay |
| | The Reaping
Story |
| | The Seal of Silence
Scenario Writer |
 | The Boomerang
Scenario Writer |
 | The Battle of Gettysburg
Writer |
 | The Invaders
Scenario Writer |
| | When Lee Surrenders
Writer |
