“Highlander” star Christopher Lambert reportedly suffered a medical emergency at Steel City Con in Pennsylvania on Saturday. According to TMZ, the 69-year-old “Mortal Kombat” actor was signing autographs at the comic con event when he suddenly collapsed. ‘Highlander’ Star Christopher Lambert’s Medical Scare DetailsTMZ revealed that Lambert’s medical emergency was caused by a drop in blood sugar brought on by a lack of sleep and food. Lambert is confirmed to appear at Steel City Con on Sunday, August 9, at 11:30 a.m. following the medical emergency. PlayLambert went on to play Connor MacLeod in the 1986 fantasy adventure film “Highlander,” one of his most iconic roles.