In early 1966 Jim Brown, who had begun an acting career two years before, was shooting for his second film in London. "The Dirty Dozen" cast Brown as Robert Jefferson, a convict sent to France during World War II to assassinate German officers meeting at a castle near Rennes in Brittany. Production delays due to bad weather meant he would miss at least the first part of training camp on the campus of Hiram College, which annoyed Modell, who threatened to fine Brown $1,500 for every week of camp he missed. Brown, who had previously said that 1966 would be his last season, announced his retirement instead. At the end of his nine-year career, Brown held records for most rushing yards in a game, a season and a career. He also owned the record for all-purpose yards in a career and best average per carry for a running back at 5.22 yards, a mark that still stands.