Villains Wiki
Villains Wiki

My dad's just like you [Cameron]. Not the caring 'til your eyes pop out part, just the insane moral compass that won't let you lie to anyone about anything. It's a great quality for boy scouts and police witnesses. Crappy quality for a dad.
~ Dr. Gregory House describing his father

John House is the overarching antagonist in the 2004 FOX/Universal medical drama House, M.D. He is the abusive stepfather of Gregory House, the show's protagonist.

He was portrayed by the late R. Lee Ermey, who also portrayed Gunnery Sergeant Hartman in Full Metal Jacket and Sheriff Hoyt in The Texas Chainsaw Massacre.


John was a pilot in the United States Marine Corps. He was the stepfather of Gregory House (whose biological father was a family friend who had an affair with his wife Blythe), and had limited contact with him due to being on active duty. It is mentioned frequently that John was abusive towards his son, frequently making him sleep outside or take an icy bath when he misbehaved. Gregory mentions in one episode that his father would punish failure while leaving success unrewarded.

At age 12, Gregory realized that John was not his real father because he was on active duty when he was conceived. He mentioned his suspicions to his father, who refused to speak to him for two months. If necessary, he would slip a typed note under the door.

John makes an appearance in the episode "Daddy's Boy", in which he and Blythe visit House at the hospital he works at. They eat together in the cafeteria, and House tells one of his colleagues that John had an "insane moral compass" that prevented him from lying, making him a terrible father.

In "Birthmarks", House is informed of his father's death. Due to his inability to lie to his mother about being unable to attend, he shows up at John's funeral and gives an unflattering eulogy during which he says that, were it not for John's negative influence, he would not be the person he is today.



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Princeton-Plainsboro Teaching Hospital Staff & Associates
Dr. Gregory House | Dr. Eric Foreman | Dr. Robert Chase | Dr. Chris Taub | Dr. Amber Volakis | Jeffrey Sparkman | Edward Vogler

Joe Luria | President Dibala | Danny Jennings | Darrien McCurdy | Ruwe

House's Associates & Rivals
Lucas Douglas | Alvie Alvarez | Harold Lam

Friends & Family
John House | Chase's Mother | Marcus Foreman | Bill Arnello | Jack Moriarty | King Miles

Criminal Justice System & Prison Inmates
Michael Tritter | Clarence | Mendelson | New Confederates | Sullivan | Porter