William Witney and Koko have appeared together in 9 films between 1952 and 1953. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1952 | Border Saddlemates | |
| 1952 | Colorado Sundown | |
| 1952 | Old Oklahoma Plains | |
| 1952 | South Pacific Trail | |
| 1952 | The Last Musketeer | |
| 1953 | Down Laredo Way | |
| 1953 | Iron Mountain Trail | |
| 1953 | Old Overland Trail | |
| 1953 | Shadows of Tombstone |
William Witney also often with: Roy Rogers (13), Roy Barcroft (12), Slim Pickens (12), Trigger (12), Rex Allen (10)
Koko also often with: Rex Allen (14), Slim Pickens (11), Roy Barcroft (9), Forrest Taylor (4), Mary Ellen Kay (4)