Tim Bagley is an American actor. He has been acting since the early 1990s. During his early years, he appeared in the films Mistress and The Mask. He also had guest appearances in the TV shows Diagnosis: Murder, Hope & Gloria, 3rd Rock from the Sun, and ER, among others. In the 2000s, he starred as Dwight in the TV series Strip Mall. He next played Larry in Will & Grace, after which he played Tim Devlin in According to Jim. Between 2004 and 2009, he played recurring role Harold Krenshaw in Monk. Recently, he plays Peter in Grace and Frankie and Principal Pearson in Teachers. He also had roles in the films Fishbowl California and Otherhood.