'ER' adds four to cast

June 17, 2008 The quartet will recur as new interns at County General Hospital on the medical drama, from Warner Bros. Rasuk was cast as Ryan Sanchez, a native New Yorker who's a tad nervous and is often found on his cell phone, fielding questions from his wife. "The new group of young characters -- played by four charming and singular actors -- adds a burst of fresh energy and a bunch of different personalities for us to play off of as we enter our 15th and final season," executive producer David Zabel said.

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