Armin Shimerman

Armin Shimerman (born November 5, 1949) is an American actor and voice actor. Shimerman is known for playing the Ferengi bartender Quark in the television series Star Trek: Deep Space Nine, Principal Snyder in Buffy the Vampire Slayer, Kramer's caddy Stan on Seinfeld, voicing Dr. Nefarious in the Ratchet & Clank series, and Andrew Ryan, one of the antagonists of BioShock. He also played Dr. Potter in the 2011 movie adaptation of Ayn Rand's Atlas Shrugged.

Acting

To the Journey: Looking Back at Star Trek: Voyager

The Assassin's Apprentice: Silbadores of the Canary Islands

Ratchet and Clank: Life of Pie

Unbelievable!!!!!

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That Guy... Who Was In That Thing 3: Trek Stars

The Circuit

What We Left Behind: Looking Back at Star Trek: Deep Space Nine

Wedding Swingers

Golden Boy

5th Passenger

Followed Back

Diani and Devine Meet the Apocalypse

50 Years of Star Trek

Ratchet & Clank

The Sublime and Beautiful

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DC Nation - Tales of Metropolis - "Bizarro"

Dropping Evil

For Christ's Sake

Atlas Shrugged: Part I

Bionicle: The Legend Reborn

Fanboys

Underfist: Halloween Bash

Insanitarium

Billy & Mandy: Wrath of the Spider Queen