 | The Mad Room
Writer |
 | Dracula
Writer |
 | Inside Job
Story |
 | Blood on the Sun
Writer |
 | The Man in Half Moon Street
Adaptation |
 | Bataan
Writer |
 | Street of Chance
Screenplay |
 | Lady for a Night
Story |
 | Among the Living
Screenplay |
 | Ladies in Retirement
Screenplay |
 | The Mark of Zorro
Adaptation |
 | The Zero Hour
Story |
 | Panama Lady
Story |
 | Twelve Crowded Hours
Story |
 | The Devil-Doll
Screenplay |
 | Dracula's Daughter
Screenplay |
 | Jalna
Adaptation |
 | Mills of the Gods
Writer |
 | Private Scandal
Writer |
 | The Lost Patrol
Adaptation |
 | Before Dawn
Screenplay |
 | 70,000 Witnesses
Screenplay |
 | Young Bride
Screenplay |
 | Panama Flo
Story |
 | Frankenstein
Screenplay |
 | Dracula
Screenplay |
 | La carta
Writer |
 | Doña mentiras
Adaptation |
 | Scotland Yard
Writer |
 | Outside the Law
Writer |
 | Dangerous Nan McGrew
Story |
 | The Big Pond
Story |
 | The Return of Sherlock Holmes
Writer |
 | Applause
Adaptation |
 | The Lady Lies
Adaptation |
 | Jealousy
Writer |
 | The Letter
Screenplay |
 | Naughty Baby
Writer |
 | The Prince of Headwaiters
Story |
 | The Yankee Clipper
Adaptation |
 | White Gold
Adaptation |
 | The Bachelor's Baby
Story |
| | Gigolo
Writer |
 | Made for Love
Story |
 | The Midnight Girl
Story |
 | Ports of Call
Story |
 | The Fire Patrol
Writer |
 | In Fast Company
Writer |
| | On Time
Writer |
 | Gay and Devilish
Writer |
