The Enemy Within

Forest Whitaker

Col. MacKenzie Casey

Sam Waterston

President William Foster

Dana Delany

Betsy Corcoran

Jason Robards

General R. Pendleton Lloyd

Josef Sommer

Defence Secretary Charles Potter

George Dzundza

Jake

Isabel Glasser

Sarah McCann

Dakin Matthews

Vice President Walter Kelly

William O'Leary

Lt. William Dorsett

Lisa Summerour

Jean Casey

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Rory J. Aylward

Honor Guard Sergeant

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Greg Brickman

Tracker

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David Q. Combs

Pentagon Security Officer

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Patricia Donaldson

President's Secretary

Denise Dowse

Dr. Jarvis