Dan Aykroyd was a member of the Second City comedy troupe in 1973 in both Toronto and Chicago before becoming an SNL original cast member and receiving an Academy Award nomination in 1990 for Best Supporting Actor.
Long hair elongates a round face and can be more flattering than short cuts. Just avoid going all one length. Make sure you cut in some layers around your face to add definition. That's why this look works on Mandy Moore (a classic round face).