Mark Armstrong is an American talent manager and producer. He was a partner at Sanders Armstrong Management, which became Sanders Armstrong Caserta Management in 2007, for over twenty years. In
Mark Armstrong is an American talent manager and producer. He was a partner at Sanders Armstrong Management, which became Sanders Armstrong Caserta Management in 2007, for over twenty years. In 2018, both Armstrong and Steve Caserta joined Principal Entertainment LA as new partners. Armstrong also co-ran actor James Gandolfini’s production company, Attaboy Films.
