Kasimir Linder, often credited as Kasimir, is a male French adult film actor specializing in gay pornography. Active primarily in the late 1980s and early 1990s, he appeared in notable European productions that have become classics in the genre. His filmography includes 'Chaleurs (Sex Oasis)' from 1987, where he performed alongside Edwin Van Gastel, Alain Aubert, Nordine Thaar, and Patrick Jouvin, capturing the raw energy of French gay cinema. Another key credit is 'Service Actif' (1990), featuring a ensemble cast such as Jean-Luc Adam, Manuel Alveiro, Gilles Barthélémy, Jean-François Beaufort, Karl Burckel, Serge Charnay, Paul Debuschere, Denis Vauthier, Frederic Lemaire, Lucas Rizzi, Marco Tazzio, Patrick Rameau, and others.
Details about his personal life remain scarce, with no public birthdate, height, or measurements available in major databases like IAFD. His brief career contributed to the vintage gay porn era, with scenes emphasizing group dynamics and authentic encounters. Today, his work is sought after by collectors of retro adult content.