Mark Derwin is an American actor whose career started in the 1980s. During this period, he had recurring parts on such TV shows as Hardball and Days of Our Lives. His first starring role on television was as Adrian Hunter on the daytime soap opera The Young and the Restless. He was part of the show from 1989 to 1990. He next played A.C. Mallet on another soap opera, this time on Guiding Light. He was part of the show from 1990 to 1993. He later starred as Dr. Ben Davidson on the ABC soap opera One Life to Live. Following this, he starred in the sitcom Life with Bonnie. He also played a supporting role in the movie Accepted. From 2018 to 2013, he starred as George Juergens on The Secret Life of the American Teenager.