Gamma/Eyedea/ZUMAPress.com; Jason Kempin/Getty ImagesMel Gibson was pretty upset that Liam Neeson replaced him in The Hangover 2. Well, imagine how Liam Neeson feels playing second fiddle to Mel Gibson...not great.
Casting Ouch
Mel got booted from The Hangover 2
Gamma/Eyedea/ZUMAPress.com; Jason Kempin/Getty Images