Scott Christopher Grimes (born July 9, 1971) is an American actor, voice artist and musician. Some of his most prominent roles are his appearances on ER, Party of Five, Band of Brothers, and American Dad.
During World War II, Lt. Gen. Leslie Groves Jr. appoints physicist J. Robert Oppenheimer to work on the top-secret Manhattan Project. Oppenheimer and a team of scientists spend years developing and designing the atomic bomb. Their work comes to fruition on July 16, 1945, as they witness the world's first nuclear explosion, forever changing the course of history.