1974
The Mark of Zorro
Adaptation
1969
The Mad Room
Writer
1963
Dracula
Writer
1946
Inside Job
Story
1945
Blood on the Sun
Writer
1945
The Man in Half Moon...
Adaptation
1943
Bataan
Writer
1942
Street of Chance
Screenplay
1942
Lady for a Night
Story
1941
Among the Living
Screenplay
1941
Ladies in Retirement
Screenplay
1940
The Mark of Zorro
Adaptation
1939
The Zero Hour
Story
1939
Panama Lady
Story
1939
Twelve Crowded Hours
Story
1936
The Devil-Doll
Screenplay
1936
Dracula's Daughter
Screenplay
1935
Jalna
Adaptation
1934
Mills of the Gods
Writer
1934
Private Scandal
Writer
1934
The Lost Patrol
Adaptation
1933
Before Dawn
Screenplay
1932
70,000 Witnesses
Screenplay
1932
Young Bride
Screenplay
1932
Panama Flo
Story
1931
Frankeştayn
Screenplay
1931
Drakula
Screenplay
1931
La carta
Writer
1930
Doña mentiras
Adaptation
1930
Scotland Yard
Writer
1930
Outside the Law
Writer
1930
Dangerous Nan McGrew
Story
1930
The Big Pond
Story
1929
The Return of Sherlo...
Writer
1929
Applause
Adaptation
1929
The Lady Lies
Adaptation
1929
Jealousy
Writer
1929
The Letter
Screenplay
1928
Naughty Baby
Writer
1927
The Prince of Headwa...
Story
1927
The Yankee Clipper
Adaptation
1927
White Gold
Adaptation
1927
The Bachelor's Baby
Story
1926
Bachelor Brides
Writer
1926
Gigolo
Writer
1926
Made for Love
Story
1925
The Midnight Girl
Story
1925
Ports of Call
Story
1924
The Fire Patrol
Writer
1924
In Fast Company
Writer
1924
On Time
Writer
1922
Gay and Devilish
Writer