Garry Gordon Marcus Chalk (born February 17, 1952) is an English-born Canadian actor who voiced Blitzen in the 1998 Rudolph the Red-Nosed Reindeer: The Movie.
He also voiced Santa Claus and the Bumble in the 2001 film Rudolph the Red-Nosed Reindeer and The Island Of Misfit Toys.
Chalk also provided the voice of Optimus Primal in Beast wars & Beast Machines, as well as the voice of Optimus Prime in Transformers Armada, Transformers Energon & Transformers Cybertron.