Marcus is renowned for his iconic portrayal of "Peter Gray" on the esteemed CBS drama series Judging Amy, which aired from 1999.
In addition to his impressive acting career, Marcus is a skilled and accomplished professional bass guitarist, having performed with several notable bands in Los Angeles, including the acclaimed alternative country artist Olivea Watson, who was crowned the 2007 Gibson Artist Of The Year.
As a session musician, Marcus is also a proud member of Musician's Local 47, demonstrating his versatility and dedication to his craft.
Throughout his extensive theatrical career, Marcus has made significant contributions to various productions, including Broadway shows such as Horton Foote's "Young Man From Atlanta" and "Measure For Measure" at Lincoln Center.
Off-Broadway, Marcus has appeared in numerous productions at esteemed institutions like MTC, The Lambs, and WPA, showcasing his impressive range and adaptability.
Regionally, Marcus has worked with numerous prominent theaters, including The Guthrie, Seattle Rep., Yale Rep., Long Wharf, The Williamstown Theater Festival, Hartford Stage, New Jersey Shakespeare Festival, The Goodman, and The Eugene O'Neill Playwrights Conference, solidifying his reputation as a talented and sought-after performer.