Continuity mistake: In the final final fight scene, Jean Claude's hair is dry and combed, then wet and sweaty, then back to dry so on and so forth.
Continuity mistake: When Frank and Jackson first meet Mr.Lin in the hotel he has a little moustache, goatee, and some sideburns, as much as he can grow anyway. Then they start to walk to the Kumite arena. When they get to the entrance to the corridor, he still has his facial hair when the guy says "OK USA!" But, when they actually enter the arena for the Kumite, he's completely shaven.
Continuity mistake: In the final fight scene Jean jumps over Chong after being blinded. He does a midair flip to the back of Chong. In the next shot Chong is completely turned around despite having about half a second.
Continuity mistake: When Tanaka gives Frank the katana, Frank moves it to one side of his head, then the other. Tanaka then puts his hand on Frank's shoulder. The arc of the katana blade is pointing away from Frank and towards Tanaka. The camera then cuts to a shot behind Frank. Now the arc of the blade is pointing towards Frank. (00:16:30)
Continuity mistake: Before Frank does the dim-mak, the top brick in the middle is a lighter color with 3 darker red bricks below, followed by the last brick. After the break, the top 2 bricks are now a lighter color with 2 darker red bricks below.
Answer: In the Kumite contact with the referee is apparently not illegal.
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