Fritz William Weaver (born January 19, 1926) is an American actor and voice actor.
Weaver was born in Pittsburgh, Pennsylvania, the son of Elsa W. (née Stringaro) and John Carson Weaver. His mother was of Italian descent and his father was a social worker from Pittsburgh. Weaver attended Peabody High School. He served in Civilian Public Service as a conscientious objector during World War II, breaking into acting in the early 1950s. His first television role came in 1956 on an episode of The United States Steel Hour. He would continue to appear on television during the next four decades, appearing on such shows as The Twilight Zone (in episodes "Third from the Sun" and "The Obsolete Man"), Beyond This Place, Dr. Kildare, The Man from U.N.C.L.E., Rawhide, Mission: Impossible, Combat!, Gunsmoke, Mannix, Kung Fu, Hawaii Five-O, Magnum P.I., Murder, She Wrote, Matlock, Law & Order, Star Trek: Deep Space Nine (in the episode "Tribunal"), The X-Files, and Frasier. Weaver also starred in the TV movies Holocaust (1978), and The Legend of Lizzie Borden..
Weaver won the Tony Award for Best Actor in a Play and the Drama Desk Award for Outstanding Performance for Child's Play (1970). Additional Broadway theatre credits include The Chalk Garden (Tony nomination and Theatre World Award win), All American, Baker Street, Absurd Person Singular, Love Letters, and The Crucible. He appeared Off-Broadway in Burnt Piano for HB Playwrights Theatre.