In addition to being a country music star and television host, Campbell also acted in a variety of films. His most popular role was that of La Boeuf in the 1969 Western film True Grit. Campbell starred alongside Western movie legend John Wayne in the film, which was a blockbuster hit.
Campbell sang the movie's theme song, which helped him earn a nomination for an Academy Award. For his acting in the film, Campbell was also nominated for a Golden Globe, proving the power of his multiple talents.