An agent from the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) who officially joins the Warehouse 13 team in episode 1 of season 3.
A hard-living bounty hunter and RAC agent in the Quad system, part of the core trio navigating past secrets and maintaining operational neutrality.
A police detective initially suspected of cult involvement and detained by Bruce. Later revealed as one of the hooded attackers seeking revenge against Bruce for ruining his career. Secretly had a sexual relationship with Angela and refused to help her elope.
Mark is one of the college friends who travels to the secluded island with the group. He helps investigate the disappearances and refuses to let the injured Tyler search for Kyle. Later, Mark confronts Keith inside the house, fights him on a balcony, and dies after breaking his neck.
Thomas's younger brother who travels with him on a motorcycle sidecar. He takes on various odd jobs alongside Tom to help raise money for their mother's mortgage.
Skulls member and field hockey captain involved in the roof incident in The Skulls II.
Marcus is Carmen's photographer boyfriend, whose relationship with her is strained because she prioritizes journalism over him. He accompanies Carmen and Sara to Alvainia, survives capture and escape, rescues Carmen, and eventually helps the villagers stop her possession before being released or, in the alternate ending, forced to remain in the village.
Local law enforcement officer who collaborates with Ainsley to access case files and official evidence.
A student selected for the research team. He helps investigate the mammoth eggs, supports the quarantine plan, and tries to stop the rescue helicopter before being fatally injured.
A college freshman who begins the night sneaking into an old classroom with Nolan, Patrick, and Ryan to retrieve an item confiscated by a teacher. After the friends evade campus security and part ways, Alec worries that his evening will be uneventful. He befriends Anthony, an older fraternity brother, and admires his experience as a partygoer.
Curt Richards is involved in the local apple and cider community and asks Marley for help with a marriage proposal. He also faces a major business challenge with Rachel Richards when a large order depends on the apples ripening. His shared activities with Marley gradually create an easier, more personal relationship.
A principled detective who partners with crime scene cleaner Morgan Sher to investigate a series of murders linked to a local orchestra. Driven by a rigid moral code and a history of fighting corrupt cops, he initially struggles with her unorthodox methods but grows closer to her. Ultimately uncovers evidence implicating her in the killings and confronts her before she flees.
Aaron Ashmore has 75 screen credits in a career dating back to 1991. Their work spans 2 cinematic universes — most prominently The Ainsley McGregor Mysteries Collection with 3 titles. Signature works include Warehouse 13, Killjoys, SkyMed. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 2 universes
