The case has proved embarrassing for Jackie, who is an anti-narcotics ambassador  Kung-fu movie star Jackie Chan’s son, Jaycee, was sentenced to six months in prison on Friday after pleading guilty to marijuana-related charges in a Beijing court.  The case has proved an embarrassment for his father Jackie, who in 2009 was made an anti-narcotics spokesman by the Chinese police.   jackie chan gistoven 2 The court convicted Jaycee, 32, of providing a venue for marijuana use and also fined him the equivalent of $326, the state-run Xinhua News reported. The young actor and singer was arrested in August along with Taiwanese actor Ko Chen-tung, and both men admitted to smoking weed themselves.