John O'Shea — Mystic River Character Profile

Character Facts

Played by

Andrew Mackin

Appears in

Mystic River (2003)

Role

Supporting

Relationships (3)

• John O'Shea — Alliance Accomplices — Brendan Harris (Tom Guiry)

  Friends involved in the same circle of teens connected to the crime.

• John O'Shea — Professional Detective & Suspect — Sean Devine (Kevin Bacon)

  Sean identifies and arrests John as a suspect in the murder.

• John O'Shea — Professional Detective & Suspect — Whitey Powers (Laurence Fishburne)

  Whitey assists in the tactical arrest of John.

Explore the full interactive character relationship map of Mystic River

More characters from Mystic River

• Jimmy Markum (Sean Penn)
• Dave Boyle (Tim Robbins)
• Sean Devine (Kevin Bacon)
• Whitey Powers (Laurence Fishburne)
• Celeste Boyle (Marcia Gay Harden)
• Annabeth Markum (Laura Linney)
• Esther Harris (Jenny O'Hara)
• Driver (John Doman)
• Val Savage (Kevin Chapman)
• Young Dave (Cameron Bowen)
• Nick Savage (Adam Nelson)
• Kevin Savage (Robert Wahlberg)