LOS ANGELES (CBS) – Rob Lowe has jointed the cast of the medical drama “Code Black” as a series regular. His character will be introduced in the series’ second season premiere, Wednesday, September 28th (10/9c).

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Lowe will play Colonel Ethan Willis, a doctor in the U.S. Military’s prestigious Combat Casualty Care research program who has been pulled out of a combat hospital in Afghanistan and embedded at Angels Memorial to teach what the military has learned about combat medicine. His aggressive, rule-breaking style is greeted enthusiastically by Dr. Leanne Rorish (Marcia Gay Harden), but not by all the other doctors.

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In addition to Harden, he’ll join “Code Black” stars Luis Guzman, Melanie Chandra, Harry Ford, Benjamin Hollingsworth, Jillian Murray, Boris Kodjoe and William Allen Young.

Earlier this year, Lowe received a Best Actor Golden Globe nomination for his starring role in the Fox comedy “The Grinder.”

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