Jack Riley is a comedic actor probably most recognizable as the irascible Elliot Carlin from Bob Newhart's 1970s TV sitcom, The Bob Newhart Show, and as the voice of Stu Pickles in Rugrats. He also voiced the character "PC Modem, the computer genius" in radio commercials for CompUSA that aired in the 1990s. After attending John Carroll University and serving in the US Army, Riley became a popular radio personality in Cleveland. His friend Tim Conway helped him receive work in California writing comedy sketches, which later led to acting jobs. Riley was one of the busiest 'bit players' on television in the 1970's and 80's. He also was a favorite of Mel Brooks, appearing in severalof his films. Among his credits are multiple appearances on such shows as "Barney Miller", ""Hogan's Heroes", and single appearances on just about every top show on television.