Lights, Camera, Fired! 5 famous actors axed mid-production.

Garlands Dolls dream vanished. Fired amid alleged issues, Susan Hayward inherited the role. A legendary Hollywood switch.

After a month filming, Eric Stoltzs Marty McFly was recast. Zemeckis sought more comedic spirit: Michael J. Fox.

Trained as Aragorn, Stuart Townsend was replaced. Jackson wanted older; Viggo Mortensen took the sword.

Ryan Gosling gained weight for The Lovely Bones, but Peter Jackson, unsatisfied, replaced him with Mark Wahlberg.

Hitler comparison to director Bay cost Megan Fox her role. Rosie Huntington-Whiteley stepped in as Carly Spencer.