|Played By:||Wallace Shawn|
Arlos is an old acquaintance of Vala Mal Doran, he and Vala shared an intimate relationship, however he was swindled by Vala, who in the end stole his possessions, including his mothers necklace. He got an opportunity to get back the necklace when he was visited by Daniel Jackson and Cameron Mitchell.
He insisted on seeing Vala before helping them out, and when she came, he insisted she give him the necklace that she stole. She eventually got the necklace back, and gave it to him, to find that the effects of the bracelets would wear of on its own.
Arlos is a technology expert, and considers himself to be amongst the top five in the world.