list is months long, but it helps if you???re a famous actor who???s appeared in more than 20 movies, including Flags of Our Fathers, Crash, 54, Cruel Intentions, and this month???s MacGruber, a big-budget comedy based on Saturday Night Live???s popular MacGyver spoof.Ryan???s show business beginnings are the stuff of Hollywood legend: He was discovered as a teen while getting a haircut in a Dela