20 Films You Didn't Realise Ghostbusters Actors Were In

2. Bill Murray - Dumb & Dumber To

Bill Murray's Peter Venkman was undoubtedly the lead character and star of the two Ghostbusters movies, but Murray has also performed a number of cameos in his time as an actor. Most recently, he was hidden in plain sight under a mask as Harry's new flatmate "Ice Pick" in 2014's Dumb and Dumber To.