The one beatle who specifically stood out as a likely actor in days to come

Ring Starr - In most Beatles' movies Ringo stood out as the best performer. For instance, In a, "Hard Day's Night" (1964), he plays the main role as the one who strays away. It is up to the rest of the Beatles to find him as a team. This was  replicated in "Help!" (1965) whereby Ringo plays the hostage with the ring who must be sought after by the rest of the band. Ringo also followed his dreams of acting after the Beatles split up. In 1981, he starred in "Caveman" and was lauded for his role in the film.

The answer is going to be triad. hope that