John Papsidera is a casting director based in Los Angeles, California. He is known for his film and television work, especially with some of the industry's most successful directors, including Christopher Nolan, Ruben Fleischer, Jason Reitman, Roland Emmerich, and James Gunn. Backstage described him as Nolan's "go-to casting director."
He has received sixteen Artios Awards nominations and has won four times. He has also been nominated for seven Primetime Emmy awards and has won twice. Before becoming a casting director, he was an actor.
His casting credits in film include The Dark Knight, Inception, Interstellar, Memento, Enchanted, Final Destination, Zombieland, Venom, Jurassic World and The Suicide Squad. Papsidera is also the casting director for the 2025 DC Studios film Superman. On television, his credits include Westworld, The Expanse (seasons 1 and 2), Peacemaker, Wednesday, Yellowstone, and It's Always Sunny in Philadelphia (season 1).
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