Garry Chalk was born on February 17, 1952 in Southampton, England. He is an actor, known for Cold Squad (1998), Beast Wars: Transformers (1996) and Freddy vs. Jason (2003). He has been married to Colleen Nystedt since August 2013.
He played the recurring role of Colonel Chekov in Stargate SG-1 from 2001 to 2006.
He appeared in three episodes of the revival series from 1995 to 2000:
- "Caught in the Act" - Detective Barnett
- "Nightmare (1998)" - General Seawell
- "Something About Harry" - Detective Frank Dayton