Gareth Williams
Actor

Gareth Williams

Gareth Williams is credited on 19 movies and 37 TV shows, best known by TMDB votes for The Mentalist, True Detective and Criminal Minds.

Born February 28, 1965 in USA.

Filmography · 56 titles

US streaming apps shown for the 12 best-known titles, checked October 6, 2026. Tap any title for where it streams and what it costs.

About Gareth Williams

Gareth Williams is an American actor.

Biography from TMDB, written by its community.

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