Charles Thomas Schlatter (born May 1, 1966) is an American actor who has appeared in numerous films and television series. He is best known for portraying Dr. Jesse Travis, the resident student of Dr. Mark Sloan (Dick Van Dyke) on the CBS series Diagnosis: Murder and for starring in the big screen comedy 18 Again!, opposite George Burns. Since the 1990s, he continues to work mainly as a voice actor.