[3] A friend talked Marshall into trying out for the vocal department at the Kinder High School for the Performing and Visual Arts in Houston.
[4] Her early credits include roles on Broadway in Porgy and Bess (1983), Harrigan 'n Hart (1985), and Big Deal (1986).
She performed at the Kennedy Center in Duke Ellington's Queenie Pie, and at the Houston Grand Opera in Scott Joplin's Treemonisha.
The role was supposed to be long term, but the show experienced backstage turnover when Paul Rauch was hired as executive producer.
[3] She was the second African American actor to receive a contract role on Guiding Light (her co-star, Vince Williams, was the first).
[8] In 1997, she starred Off-Broadway, playing Diane Gardner in Minor Demons at the Century Center for the Performing Arts.
[9] On September 27, 2001, Marshall made her first appearance on Passions in the role of the villainess Liz Sanbourne, sister of Dr. Eve Russell.
[10] Marshall was on contract for four and a half years, until she was dismissed from the soap in July 2007 as a result of budget cuts.