Rex Allen and Koko have appeared together in 14 films between 1950 and 1954. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1950 | Hills of Oklahoma | |
| 1951 | Rodeo King and the Senorita | |
| 1951 | Utah Wagon Train | |
| 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 | Red River Shore | |
| 1953 | Shadows of Tombstone | |
| 1954 | Phantom Stallion |
Rex Allen also often with: Roy Barcroft (11), Slim Pickens (11), William Witney (10), Mary Ellen Kay (6), Buddy Ebsen (5)
Koko also often with: Slim Pickens (11), Roy Barcroft (9), William Witney (9), Forrest Taylor (4), Mary Ellen Kay (4)