Michael O'Neill

Acting · Born 1947-05-29 in Montgomery, Alabama, USA

Biography

​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,…

Filmography

• Air as Joe Dean
• Dallas Buyers Club as Richard Barkley
• Traffic as Lawyer Rodman
• Nothing But the Truth as CIA Director
• Secondhand Lions as Ralph
• Lorenzo's Oil as School Psychologist
• Seabiscuit as Mr. Pollard
• Transformers as Tom Banacheck
• Green Zone as Colonel Bethel
• Dreamcatcher as Gen. Matheson

TV

• This Is Us as Arlo
• The X-Files as Patrol Captain Van Gelder
• Roswell as Philip Evans
• Ghost Whisperer as Nolan
• Rizzoli & Isles as Jonathan McKnight
• 24 as Richard Welsh
• 24 as Richard Walsh
• Bates Motel as Nick Ford
• The West Wing as Ron Butterfield
• Sons of Anarchy as Anthony Franklin