He is best known for his roles as Charles Johnson on the television sitcom The First Family and as Mason Hewitt on MTV's show Teen Wolf.

After quickly gaining recognition by several talent agents who attended some of his acting classes, Rhambo booked work on several regional commercials.

In 2013, he was cast in his first feature-film, the sci-fi thriller Ender's Game as Dink Meeker.

[citation needed] In 2014, Rhambo was cast in the role he is most known for, Mason Hewitt, in the MTV show Teen Wolf.

The majority of the original cast members, including Rhambo himself, will reprise their roles.