Jonas Quinn is a human from the planet Langara. First introduced in Season Five's "Meridian", Quinn becomes entangled with the SG-1 team. He joined Colonel Jack O'Neill, Major Samantha Carter and Teal'c as they continued to explore the uncharted regions of the universe - searching for clues to save the Earth from destruction. With the return of Dr. Jackson, Quinn decided to leave the team and return to his people.
Nemec is probably best known for his television series Parker Lewis Can't Lose, which ran for three seasons on FOX. He received critical acclaim for his gripping performance in the title role of the Emmy-nominated miniseries I Know My First Name is Steven.
A television veteran, Nemec had a recurring roles on Ghost Whisper and Beverly Hills 90210. He has made guest appearances on CSI: Miami, NCIS, Three Moons Over Milford, CSI: NY, Smallville, NYPD Blue and Tales from the Crypt. Nemec also starred in the TV films and mini-series Quality Time, McBride: Murder Past Midnight, My Brother's Keeper, Blackout, Summer of Fear, The Lifeforce Experiment, and What's Alan Watching.
Nemec has also done extensive feature film work, including House of Bones, Marlowe, Privateer, Shattered!, Operation Dumbo Drop with Danny Glover and Ray Liotta, and Drop Zone opposite Wesley Snipes.