Larry Mathews is known for his role as Ritchie Petrie on The Dick Van Dyke Show. After the series ended in 1966, Larry Mathews left acting to pursue a more conventional childhood and graduated from the University of California in 1976. He appeared on numerous television programs to discuss his role on The Dick Van Dyke Show. He reprised the role of Ritchie on The Dick Van Dyke Show Revisited in 2004.