Mary Ellen Kay and Rex Allen have appeared together in 6 films between 1951 and 1952. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1951 | Rodeo King and the Senorita | |
| 1951 | Silver City Bonanza | |
| 1951 | Thunder in God's Country | |
| 1952 | Border Saddlemates | |
| 1952 | Colorado Sundown | |
| 1952 | The Last Musketeer |
Mary Ellen Kay also often with: Roy Barcroft (5), Koko (4), Allan Lane (3), Black Jack (3), Buddy Ebsen (3)
Rex Allen also often with: Koko (14), Roy Barcroft (11), Slim Pickens (11), William Witney (10), Buddy Ebsen (5)