Dennis Robertson is a character actor who was mainly active from the 1960s to the 1980s. He has appeared in such films as War Party, Marooned, Crossfire, The North Avenue Irregulars and Where the Buffalo Roam, and such television shows as Combat!, Tammy, Alias Smith and Jones, M*A*S*H, Columbo, Cannon, Lou Grant, Baa Baa Black Sheep, The Waltons, Vega$, L.A. Law, Mama's Family and General Hospital. He also appeared in an episode of the 1960s sitcom, Hogan's Heroes.