Robert Singer was a stand-in and played the role of a henchman in the 1971 MGM feature film, Night of Dark Shadows. He was never given screen credit for the part.

Outside of Dark Shadows, Singer is more famously known as a television director and producer, and has worked on several popular programs including: Timecop, Lois and Clark: The New Adventures of Superman, Smallville and Supernatural. He also worked as an associate producer on the 1973 Dan Curtis production of Dracula.