Hollywood is filled with plenty of rags to riches stories. Jim Carey worked as a janitor, Demi Moore was a debt collector, Brad Pitt used to wear a chicken suit while handing out fliers and Sharon Stone worked (works?) at a McDonald's.

But some actors' beginnings can be attributed to not hard work, but sheer chance or accident. Such as...

http://www.cracked.com/article_17055_7-celebrity-careers-that-launched-by-accident.html