The Nickelodeon star will appear on Scott’s new sitcom ‘See Dad Run,’ HollywoodLife.com has learned exclusively. James Maslow is putting down his microphone and flexing his acting muscles — at least for one day. The Big Time Rush singer will guest star on an upcoming episode of Scott Baio‘s new Nick at Nite sitcom See Dad Run, premiering Oct. 14, and BTR fans might be surprised by James’ not-so-sweet new character. So how does James, 22, enter the equation? Scott’s character David, a former sitcom star, stages a reunion with his on-screen son Ricky (James) — but he quickly learns that Ricky isn’t the happy-go-lucky kid he remembers. “[Ricky] kind of let fame go to his head,” James tells HollywoodLife.com. “He became a teen heartthrob after the TV show that he and Scott’s character were on before, and he’s a little bit cocky now. It’s a funny spin, and I’m really looking forward to doing it.” James is currently on tour with Big Time Rush; the group is wrapping up performances in North America, and heading to Mexico/South America beginning Sept. 24. The fourth season of their Nickelodeon series, Big Time Rush, begins production in early 2013.