After graduating from O’Fallon (Ill.) High, Gerrit Yank went to Los Angeles to dabble in acting. He landed a few bit parts and performed some stunt work. He was a stand-in for Donnie Wahlberg on the TNT drama “Rizzoli and Isles.” “I’m also left-handed, so I had to do some of his double stuff,” Yank, 29, said. On Wednesday, Yank’s fill-in work landed him a role he never could have envisioned playing, a character that combined his job with his passion. The former amateur hockey player and Blues season-ticket holder doubled as Olympic star T.J. Oshie in the filming of an Enterprise Rent-A-Car commercial that will air nationally during the Stanley Cup playoffs. “After the Olympics, he’s a hero,” Yank said. “Everybody is finding out ... what we knew all along.” Oshie’s shootout success — converting four of six attempts to lift Team USA to a stirring 3-2 victory over Russia — has turned the sixth-year Blue into a star on the national scene. Sales of Oshie’s No. 74 jersey have always been high in this city — 30 percent higher in 2013-14. His T-shirts are flying off the shelves this season at a rate 140 percent higher than his next teammate. But in the month since Oshie’s epic performance at the Olympics, the scope is larger. His jersey is the second-best seller on, the league’s official online store, trailing only Sidney Crosby of the Pittsburgh Penguins. This after a post-shootout parade in which he received a congratulatory tweet from President Barack Obama, appeared on NBC’s “Today” show and had his golf swing dissected on the Golf Channel.