The 2012 Martin McDonagh ensemble film “Seven Psychopaths” was filmed around Southern California. The opening scenes were filmed at the Mullholland Dam in Hollywood. The dam is accessible to the public, however, it does require a minor walk to reach it. You have to drive up Weidlake Drive and the nearest parking is at the Hollywood Reservoir Trailhead. From there it’s just a short distance on foot. The same location was featured in the film “The Little Things.”
LOCATION: Mulholland Dam, Los Angeles, CA 90068 (nearest parking area is the Hollywood Reservoir Trailhead at 6381-6399 Weidlake Dr, Los Angeles, CA 90068)
Billy, played by Sam Rockwell, lives at a house perched on a hillside in Angelino Heights in East L.A. The same house was seen in the films “Under The Silver Lake” and “Crazy/Beautiful” and located just around the corner from Jake Gyllenhaal’s apartment in the film “Nightcrawler.” The home has since been demolished.
LOCATION: 1016 White Knoll Dr, Los Angeles, CA 90012 (now demolished)
Billy runs an operation stealing dogs for reward money at the La Brea Tar Pits.
LOCATION: 5801 Wilshire Blvd, Los Angeles, CA 90036
He stands here overlooking operations with a pair of binoculars.
Marty, played by Colin Farrell, visits this market in Pearblossom, California.
LOCATION: 13012 Pearblossom Hwy, Pearblossom, CA 93553
He exits here with Hans, played by Christopher Walken, where the two spot a newspaper.
Film Oblivion 
The house at 1016 White Knoll Dr. was also featured in the 2016 film “Get A Job” starring Miles Teller and Anna Kendrick.
P.S. – I only know this because “7 Psychopaths” is arguably my favorite movie of all time, and Billy Bickle is by far my favorite supporting character to date (with Stevie Janowski from East Bound and Down being a close 2nd 🤣), so this house is engraved in my mind lmao
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The street sign at the corner above the house was changed for the film. If you use slomo you’ll see that it was changed to something like the corner of “Blocked” and “Writer”. A pretty cool inside joke!
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