Predator was supposed to be played by Jean Claude van damme. But then they cast that Peter hall bloke cos of his height.

Tom Selleck was first choice for indiana jones, but he signed for magnum PI

Dougray Scott (Scottish cop in twin town) was first choice for wolverine in xmen but chose mission impossible 2

Eric Stolz played the first marty mc fly and they shot for 6 weeks, then first choice Michael J Fox was allowed to film by Family ties in between.

Anyone else know of any other movie facts.