Sam Vartholomeos co-starred on season one of Star Trek: Discovery as Ensign Danby Connor, a Junior Officer in Starfleet Academy assigned to the starship U.S.S. Shenzhou. Connor perished during the events of "Battle at the Binary Stars," but returned, albeit briefly and again fatally, as Captain Danby Connor in the late first-season Mirror Universe episode, "Despite Yourself."

The actor's previous credits include The Secret Life of Walter Mitty and The Following