What movie and television projects has Roma Johnstone been in?

Dion Johnstone has: Played Captain Warrick Trevor in "Stargate SG-1" in 1997. Played Wodan in "Stargate SG-1" in 1997. Played Lt. Tyler in "Stargate SG-1" in 1997. Played Captain Nelson in "Stargate SG-1" in 1997. Played Chaka in "Stargate SG-1" in 1997. Played Detective Hanson in "Beyond Belief: Fact or Fiction" in 1997. Played Marcus Griffith in "Hope Island" in 1999. Played Natty Bookman in "So Weird" in 1999. Played Martin in "Big Sound" in 2000. Played Dr. Peter Newell in "The Man Who Used to Be Me" in 2000. Played Reporter in "Murder at the Cannes Film Festival" in 2000. Played Lead Sentry in "Freedom" in 2000. Played Federal Agent in "Josie and the Pussycats" in 2001. Played Lucius Walker in "Just Cause" in 2001. Played Prosecutor Mr. Eddy in "The Dead Zone" in 2002. Played Curtis Peck in "L.A. Law: The Movie" in 2002. Played Club Owner in "My Guide to Becoming a Rock Star" in 2002. Played Nathan in "Jeremiah" in 2002. Played Henry Price in "Breaking News" in 2002. Played Highway Patrol Officer in "I Was a Teenage Faust" in 2002. Played Lieutenant Gitomer in "Monk" in 2002. Played Flight Engineer Timmins in "The Core" in 2003. Played Barnaby Howe in "Flashpoint" in 2008. Played Sam in "The Guard" in 2008. Played 1st Cop in "The X Files: I Want to Believe" in 2008. Played Harold Kalb in "The Listener" in 2009. Played Bill in "Ice Twisters" in 2009. Played Johnny in "Sea Wolf" in 2009. Played Tyrone Evans in "King" in 2011. Played Jean-Luc in "On the Heated Floor" in 2012. Played William Still in "Underground Railroad: The William Still Story" in 2012. Played Nizar in "Defiance" in 2013. Played Gregory Moore in "Cracked" in 2013.