John "Bud" Cardos (born December 20, 1929 in St. Louis, Missouri) is a film director and former actor/stuntman. His family has interesting roots in the entertainment industry. His cousin Spiros Cardos worked at 20th Century-Fox Studios. His father and uncle managed the lavish Graumann's Egyptian and Chinese theaters. He made television guest appearances on The Monroes, The High Chaparral and NBC's Daniel Boone starring Fess Parker.
Cardos is the subject of the 2016 biography Action! by the late actor Robert Dix and his wife Lynette Dix. Robert Dix and Cardos starred together in the Al Adamson-directed biker film Satan's Sadists.
Cardos appears as himself and talks about his stunt career in the 2018 documentary film Love and Other Stunts, which is about his friend and fellow stuntman Gary Kent.