Garry Chalk (born February 17, 1952) is a British-born Canadian actor, dual US-Canadian citizen and voice artist. Also known as Garry Chalk, he is best known for being among the voices of Optimus Primal in the Transformers universe and has appeared in The Fly II, Freddy vs. Jason, Deck the Halls, Watchmen and Scooby-Doo! The Mystery Begins. Chalk was born in Southampton, Hampshire in 1952. At the age of 5, his family moved to Vancouver, British Columbia, Canada.

Chalk has been involved with theatre since 1978 and has performed at the Vancouver Playhouse Theatre Company (VPTC), the Arts Club Theatre Company (ACTC), The Vancouver Theatresports League and various low budget theatres in Canada. The last live stage production he did was A Funny Thing Happened on the Way to the Forum, where he played Miles Gloriosus. He also performed in Henry IV and As You Like It at the VPTC, as well as Dracula and Passion at the ACTC.