Who Is Retired Cop, Subway Shooter on Blue Bloods?

Michael O'Keefe on Blue Bloods (CBS)

On the Blue Bloods episode “Stomping Grounds,” right after retiring from the New York Police Department, well-regarded Lieutenant Tim Harrison shoots a group of potential muggers on the subway. When Harrison disappears, Police Commissioner Frank Reagan (Tom Selleck) is left to deal with the complicated fallout.

Lt. Harrison is portrayed by Michael O’Keefe. He’s best known for his roles on Roseanne (Jackie’s husband Fred), Homeland (John Redmond), and in films Caddyshack (Danny Noonan) with Bill Murray and Michael Clayton (Barry Grissom) with George Clooney. Most recently, O’Keefe played Virginia Johnson’s (Lizzy Caplan) father on Masters of Sex. Blue Bloods airs Fridays at 10pm on CBS.