An actress who seems to have talent waiting to burst out of the small featured roles to which she has been assigned, Lisa Gay Hamilton made it to primetime TV in 1997 playing Rebecca Washington, the paralegal receptionist who graduated to full-fledged attorney on the ABC TV series "The Practice". She was cast in the role after several critically-acclaimed stage performances, notably in Athol Fugard's "Valley Song", in which she played a South African teen on the verge of adulthood yearning to become a singer. Hamilton first played the role in 1995 at the prestigious MacArthur Theatre in