Alex Gruenenfelder
Biography
Alex Gruenenfelder is an American film director, screenwriter, producer, actor, and stilt walker. Born in Los Angeles, he starred in his first horror feature at age thirteen, as Young Derrick in "The Purgation" (2015) and later received film festival acclaim for directing the slasher short "The Saga of Psycho Girl" (2019). Gruenenfelder's passion for horror also extends beyond the screen, performing on stilts at such haunted attractions as Midsummer Scream, Six Flags Fright Fest, and the Los Angeles Haunted Hayride. He made his feature film directorial debut with the psychological thriller "Little Pet" (2025).
Known For & Full Filmography1 Titles
Movie - 2015, 2h 15m • as Young Derrick
Ever since she was a little girl, Iris has wanted to be a filmmaker. For the last five years though, she's been trapped working in reality television, directing episodes for a series that's barely able to compete with Ghost Hunters. Iris sees her big chance to prove herself when she gets sent on assignment to her hometown of Black Falls, a small town harboring an abandoned insane asylum that has a dark history of excessive shock therapy. Filming inside the asylum brings back childhood memories for Iris, memories of sneaking into the asylum with her friends to shoot homemade horror movies. Little does Iris know, her life is about to imitate her art.