Cool list, Tom Cruise is the ultimate in this department. To plagarise Rich Hall you can predict the plot of any Tom Cruise.

Cocktail- Starts out a good cocktail waiter, suddenly his confidence is shattered, he meets an attrctive woman and is inspired to be a good cocktail waiter.
Top Gun- Starts out a good pilot,suddenly his confidence is shattered, he meets an attractive woman and is inspired to be a good pilot.
Mission Impossible- He starts out a good secret agent, need i go on