Co-stars
Roy Rogers averages 6.53, Trigger averages 6.45. Apart that suggests 6.49; together they average 6.45, a lift of −0.04.
Lift is the average of their films together minus the mean of their two career averages.
Dot size shows IMDb votes; lines are rolling five-film averages. Films with fewer than 1,000 votes are left out.
| King of the Cowboys | 1943 | · | 320 | as Roy Rogers | as Trigger |
| Cowboy and the Senorita | 1944 | · | 357 | as Roy Rogers | as Trigger |
| Lights of Old Santa Fe | 1944 | · | 272 | as Roy Rogers | as Trigger |
| The Yellow Rose of Texas | 1944 | · | 262 | as Roy Rogers | as Trigger |
| Bells of Rosarita | 1945 | · | 262 | as Roy Rogers | as Trigger |
| Don't Fence Me In | 1945 | · | 303 | as Roy Rogers | as Trigger |
| Home in Oklahoma | 1946 | · | 301 | as Roy Rogers | as Trigger |
| My Pal Trigger | 1946 | · | 566 | as Roy Rogers | as Trigger |
| Bells of San Angelo | 1947 | · | 443 | as Roy Rogers | as Trigger |
| Springtime in the Sierras | 1947 | · | 253 | as Roy Rogers | as Trigger - Roy's Horse |
| Melody Time | 1948 | 6.1 | 8,017 | as Roy Rogers | as Trigger The Smartest Horse in the Movies |
| Under Californian Stars | 1948 | · | 381 | as Roy Rogers | as Trigger |
| The Golden Stallion | 1949 | · | 281 | as Roy Rogers | as Trigger |
| Bells of Coronado | 1950 | · | 252 | as Roy Rogers | as Roy's Horse |
| Trail of Robin Hood | 1950 | · | 334 | as Roy Rogers | as Trigger The Smartest Horse in the West |
| Trigger, Jr. | 1950 | · | 280 | as Roy Rogers | as Trigger |
| Son of Paleface | 1952 | 6.8 | 2,716 | as Roy Barton | as Trigger, Roy Barton's Horse |