In a film, a character with this profession visits a man who hangs paper cranes on his yacht after looking for the Complete Works of Shakespeare in a library. After a rival shoves a meal off a table, a character with this profession tells a story about two men competing over a kidney transplant by guessing a card put in their pocket by the other. To celebrate spending “a quarter of a century on this planet,” a character with this profession jogs in the rain and receives a birthday message from a (*) blonde wig-wearing woman he met at a bar. A man (-5[1])with this profession chases a character in a scene that uses the step-printing effect to generate motion blur. In a 1994 film, two men with this profession played by Takeshi (10[1])Kaneshiro and Tony Leung recover from romantic breakups. For 10 points, what profession is held by the leads of Chungking Express and by the (10[1])undercover Chan in Infernal Affairs? (10[1])■END■