Sergeant Riley is a fictional character who appeared in the Hogan's Heroes episode, The Informer. He was played by Richard Sinatra.
Sergeant Riley is one of the USAAF non-coms who is placed in Barracks 7. He is also one of the men involved in Colonel Hogan's anti-Nazi organization. He is among those who are talking with Colonel Hogan about what to do about the spy, Wagner, after his call to Colonel Burkhalter about their secret operation. He then hears Hogan's solution to their current problem, to show their opeation to Wagner, in order to later discredit him. He would be among those who would help with the sting operation.