William Lyman is an actor, voice-over artist, and musician. He is best known for his narration of the PBS series "Frontline" since 1984. He also played William Tell in the television series "Crossbow."Lyman was a bass player with a number of amateur and semi-professional symphonic and chamber orchestras. His film career began with a small part in the 1975 movie "Jaws." He narrated the PBS documentary series "Vietnam: A Television History," which led to him becoming the narrator of PBS' series "Frontline." He has also continued to act in television, theater and film.Lyman was born in Burlington, Vermont. He received his B.F.A. from Boston University's School of Fine and Applied Art.