You can view the video at this link.
The Byrds at this point were Roger McGuinn on 12-string electric, Clarence White, lead guitar, Skip Battin, bass and drummer Gene Parsons.
1957, the same year Fats hit with "I'm Walkin'," Rick Nelson, who'd been trying to emulate Elvis, covered Fats's hit and premiered it on an episode of his family's sitcom The Adventures of Ozzie and Harriet. This is his debut performance on the TV show, the first sitcom to treat early rock and roll with respect. It wasn't Fats, but became his first hit. He went on to make rockabilly records so raw they earned the admiration of Sun Records owner Sam Phillips.
Fats and Nelson paired up for Fats Domino & Rick Nelson: Live At the Universal Amphitheater, a 1985 TV broadcast taped before Nelson died in a Texas plane crash that year.
1985: "I'm Walkin'"