Paul Dooley Art Carney, who played Felix Unger. Eventually when Carney left the play Dooley got the part. He got an agent at William Morris Agency thanks to a referral from Walter Matthau, who played Oscar Madison in the play. Also having an interest in comedy, Dooley was a stand-up comedian for five years, eventually landing on "The Tonight Show," and a member of the Compass Players and The Second City troupe in New York City. Fellow members of The Second City at that time were Alan Arkin and Alan Alda. Dooley also worked as a writer. He created and was one
Billy Unger and "Scrubs". He also made an appearance on "The Tonight Show with Jay Leno". Unger has appeared in the films "", "You Again", "Monster Mutt", "Opposite Day", "Jack and the Beanstalk", and "Rock Slyde". Beginning in 2012 he began starring as Chase, the youngest of the super-human bionic teens, in the Disney XD series "Lab Rats". In 2016, he continued to play Chase on the "Lab Rats" spinoff series "", now credited as William Brent. Billy Unger William Brent Unger (born October 15, 1995) is an American actor. He is known for playing Chase on the Disney XD series "Lab