| Year | Film | Credit | Notes |
| 1948 |
The Wistful Widow of Wagon Gap[1] |
Story By |
Co-Wrote Story with "William Bowers" |
| River Lady |
Screenplay By |
Co-Wrote Screenplay with "William Bowers" |
| Feudin', Fussin' and A-Fightin' |
Story By, Screenplay By |
|
| 1949 |
Henry, the Rainmaker |
Story By |
|
| Leave It to Henry |
Story By, Screenplay By |
|
| 1950 |
Father Makes Good |
Written By |
Based on his story "Journey at Sunrise" |
| The Golden Gloves Story |
Story By |
Co-Wrote Story with "William F. Sellers" |
| Abbott and Costello in the Foreign Legion |
Story By |
|
| Father's Wild Game |
Story By, Screenplay By |
Based on his story "A-Hunting We Will Go" |
| 1951 |
Belle Le Grand |
Screenplay By |
|
| Father Takes the Air |
Screenplay By |
|
| 1952 |
The San Francisco Story |
Screenplay By |
Based on the 1949 novel "Vigilante" by Richard Summers |
| 1953 |
Gunsmoke |
Screenplay By |
Based on the novel "Roughshod" By "Norman A. Fox" |
| Abbott and Costello Go to Mars |
Story By, Screenplay By |
Co-Wrote Screenplay with "Howard Christie" and "John Grant" |
| Law and Order |
Screenplay By |
Co-Wrote Screenplay with "John Bagni" and "Gwen Bagni" |
| Son of Belle Starr |
Screenplay By |
Co-Wrote Screenplay with "Jack DeWitt" and "William Raynor" |
| The Man from the Alamo |
Screenplay By |
Co-Wrote Screenplay with "Steve Fisher" |
| The All American |
Screenplay By |
|
| 1954 |
She Couldn’t Say No |
Story By, Screenplay By |
Co-Wrote Screenplay with "William Bowers" and "Richard Flournoy" |
| Ride Clear of Diablo |
Screenplay By |
Additional Dialogue |
| Rails Into Laramie |
Screenplay By |
Co-Wrote Screenplay with "Joseph Hoffman" |
| Jesse James' Women |
Story By, Screenplay By |
Co-Wrote Screenplay with "Don "Red" Barry" and "William R. Cox" |
| Destry |
Screenplay By |
Based on the novel "Destry Rides Again" By "Max Brand", Co-Wrote Screenplay with "Edmund H. North" |
| Port of Hell |
Story By |
Co-Wrote Story with "Gil Doud" |
| 1955 |
Man Without a Star |
Screenplay By |
Based on the Novel of the same name by "Dee Linford", Co-Wrote Screenplay with "Borden Chase" |
| Tennessee's Partner |
Screenplay By |
Based on the short story "Tennessee's Partner" By "Bret Harte" |
| 1956 |
Massacre |
Screenplay By |
|
| The Rawhide Years |
Screenplay By |
Co-Wrote Screenplay with "Earl Felton" and "Robert Presnell, Jr." |
| Yaqui Drums |
Screenplay By |
Co-Wrote Screenplay with "Jo Pagano" |
| 1957 |
Shoot-Out at Medicine Bend |
Written By |
Co-Wrote Screenplay with "John Tucker Battle" |
| 1960 |
For the Love of Mike |
Written By |
|
| Natchez Trace |
Story By, Screenplay By |
Co-Wrote Story and Screenplay with "William R. Cox" |
| 1966 |
Daniel Boone: Frontier Trail Rider |
Story By, Screenplay By |
Co-Wrote Screenplay with "Jack Guss" |
| 1968 |
A Man Called Gannon |
Screenplay By |
Co-Wrote Screenplay with "Borden Chase" and "Gene R. Kearney" |
| 1972 |
The Bull of The West |
Screenplay By |
|