The Emperor motion picture IP MAN -- THE FINAL FIGHT boasts a star-studded cast that see the likes of Anthony Wong Chau Sun, Eric Tsang Chi Wai and Anita Yuen Wing Yi, as well as Gillian Chung Yun Tung and Jordan Chan Siu Chun.According to reports on Mingpao and On.cc, Anthony Wong and Eric Tsang fought in the "duel of the century", which will be one of the move'is major scenes.In the fight, Anthony showed his Wing Chun prowress against Eric, who was the leader of the White Crane Style.The reports descrived Anthony's arms as 'steel clad' after he fought for 6 hours with Eric. They both said it was a lot of fun.Before the shoot, Anthony and Eric spent two hours on the action design with the action director. They repeatedly practiced for three hours in order to complete the shoot in one take. When the shoot completed, the entire set applauded and cheered.Anthony said that he wore protective gloves during the rehearsals and practices but he was bare handed in the actual shoot.He never thought that the soon-to-be 60-years-old Eric could still fight as well as he did.Eric pointed out that Anthony did not hold back and treated him like the human wooden stump. He almost flew into the air when he got hit.