**John C. McGinley** (born in 1959) is an American actor known for his ability to play intense, authoritative, and often sarcastic characters. His film career took off with Oliver Stone's **Platoon** (1986), where his role as Sergeant O'Neill cemented his acting archetype.

He consolidated his presence on the big screen with memorable performances in films such as **Wall Street** (1987), **Point Break** (1991), **Se7en** (1995), **Office Space** (1999), and **Any Given Sunday** (1999). McGinley excels at portraying complex, often ambiguous characters who oscillate between heroism and anti-heroism, whether they are military men, police officers, or corporate executives. Although widely recognized for Dr. Perry Cox in _Scrubs_, his rich filmography makes him a versatile face of cinema.