William Witney and Trigger have appeared together in 12 films between 1949 and 1951. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1949 | Down Dakota Way | |
| 1949 | Susanna Pass | |
| 1950 | North of the Great Divide | |
| 1950 | Sunset in the West | |
| 1950 | Trail of Robin Hood | |
| 1950 | Trigger, Jr. | |
| 1950 | Twilight in the Sierras | |
| 1951 | Heart of the Rockies | |
| 1951 | In Old Amarillo | |
| 1951 | Pals of the Golden West | |
| 1951 | South of Caliente | |
| 1951 | Spoilers of the Plains |
William Witney also often with: Roy Rogers (13), Roy Barcroft (12), Slim Pickens (12), Rex Allen (10), Koko (9)
Trigger also often with: Roy Rogers (13), Dale Evans (6), Foy Willing (6), Gordon Jones (6), Pat Brady (6)