Complex sentence: German terrorist Hans Gruber in "Die Hard" (1988), the Sheriff of Nottingham in' (1991), and most recently Severus Snape, the potions master in the "Harry Potter" series (2001--2011).
Split into simpler sentences: German terrorist Hans Gruber in "Die Hard" (1988) and the Sheriff of Nottingham in' (1991). He played Severus Snape, the potions master in the "Harry Potter" series (2001--2011).