He played the role of bar owner Quark on Star Trek: Deep Space Nine. He played Dr. Potter in the 2011 science fiction film, Atlas Shrugged, and played Anteaus in Stargate SG-1.
He appeared in the 1980 film, Stardust Memories.
He played the role of Principal Snyder on the Vampire drama, Buffy The Vampire Slayer.
He married actress Kitty Swink.
He was on the third season of Boston Legal alongside William Shatner.