
Age: 79
male
From Wikipedia, the free encyclopedia. Michael O'Neill (born May 29, 1951) is an American actor. With a career stretching through three decades, he usually portrays senior law enforcement or military officers. He is perhaps best known for his role as Special agent Ron Butterfield, the head of President Josiah Bartlet's Secret Service detail, on The West Wing. He played CTU Administrative Director Richard Walsh in the first two episodes of 24. He played Sgt. Maj. Ron Cheals in the CBS action-drama series The Unit. He starred in the Season Six 2 part Finale of Grey's Anatomy as the broken widower who holds the hospital hostage with a 9mm while pursuing the doctors responsible for unplugging his wife. His most notable film performances occur in Seabiscuit, Secondhand Lions, Transformers, Dancer, Texas Pop 81, Traffic, Sea of Love, A Quiet Little Marriage, Nothing But the Truth, and Green Zone. O'Neill graduated from Auburn University in 1974. After attending Auburn he spent time under the tutelage of actor Will Geer and his daughter, Ellen, at Theatricum Botanicum in Los Angeles before moving to New York to pursue his career there.

Michael O'Neill

Danny's Dad
for Danny's Dad in Sam Raimi's The Blade Itself
Suggested by michaelcosby

On the South Side of Chicago, you're only as strong as your reputation. Danny Carter and his best friend Evan earned theirs knocking over pawnshops and liquor stores, living from score to score, never thinking of tomorrow…until, in the roar of a gun blast, everything changed. Years later, Danny has built a new life: a legitimate career, a long-term girlfriend, and a clean conscience. He's just like anyone else. Normal. Successful. Happy. Until then he spots his old partner staring him down in a smoky barroom mirror... Now, with all he loves on the line and nowhere to turn, Danny realizes his new life hinges on a terrible choice: How far will he go to protect his future from his past?