
John Diehl (born May 1, 1950) is an American character actor with over 150 credits to his name in film and television. He is best known for his roles as Charles Kawalsky in the 1994 film Stargate, Det. Larry Zito on the 1980s cop show Miami Vice, Assistant Chief Ben Gilroy on The Shield, and as "the Cruiser" in Stripes. His other notable roles include Pvt. Bucklin, the spokesman of the 2nd Maine mutineers in Gettysburg, Cooper in Jurassic Park III (2001), as G. Gordon Liddy in the Oliver Stone movie Nixon, the Klansman informant ("Mickey Mouse") in A Time to Kill, and as Keith, a credit card company supervisor in Mo Money. He also appeared as the spirit of Harley Earl in a series of commercials for Buick. He was born in Cincinnati, Ohio, and graduated from St. Xavier High School in 1968. For a time, he flirted with a professional boxing career, leaving Miami Vice to pursue it.

Con Air
1997 · as Poe's Lawyer (uncredited)

Pearl Harbor
2001 · as Senior Doctor

National Lampoon's Vacation
1983 · as Assistant Mechanic

A Time to Kill
1996 · as Tim Nunley

Falling Down
1993 · as Dad (Back Yard Party)

Train Dreams
2025 · as Billy

Stargate
1994 · as Lieutenant Kawalsky

Escape from New York
1981 · as Punk

Stripes
1981 · as Cruiser

John Candy: I Like Me
2025 · as Self - Actor, Stripes (archive footage)

The Client
1994 · as Jack Nance

Gettysburg
1993 · as Pvt. Bucklin

Fire Down Below
1997 · as Frank Elkins

Whore
1991 · as Derelict

Walker
1987 · as Stebbins

Most Wanted
1997 · as Police Captain

Foxfire
1996 · as Mr. Buttinger

Female Perversions
1996 · as Jake Rock