Greg Cannom is an American special makeup effects artist. Cannom has been nominated and won multiple times for Academy Awards. He has over 100 films to his credit, including such films as, Cocoon (1985), Flatliners (1990), Postcards from the Edge (1990), Star Trek VI: The Undiscovered Country (1991), Hook (1991), Batman Returns (1992), Bram Stroker's Dracula (1992), Mrs. Doubtfire (1993), The Mask (1994), Titanic (1997), The Insider (1999), Bicentennial Man (1999), Ali (2001), A Beautiful Mind (2001), Pirates of the Caribbean: The Curse of the Black Pearl (2003), Master and Commander: The Far Side of the World (2003), The Passion of the Christ (2004), Babel (2006), and The Curious Case of Benjamin Button (2008).