objects disapear when i enter the game engine

hey all i got this animation using ipos but when i press p the enviroment stays but the charactures dont show up and iv tried everything and cant think why i got a blend her to see for urself thanks Fudge

http://a.1asphost.com/Fudgey/Scene1%20test.blend

ok if you go out of camera view and push numpad 5 then zoom out a bit and push p u will notice your character there …ill look to see how to stop this.