Sandy Martin: Sandy Martin. Actress: Three Billboards Outside Ebbing, Missouri. Sandy Martin began her acting career at the age of 15 touring the country with Martha Raye in Good-bye Charley. After several East Coast touring productions she settled in New York City. Martin began working in many of New York City's esteemed theatres: Lincoln Center, La Mama, Ensemble Studio Theatre, Playwrights Horizon, The American Place Theatre acting in over 70 stage productions.
Martin...
