White hair can work. You just have to own it.
The obvious choice. Anderson Cooper, classic silver fox.
Ye ole stand by. George Clooney.
And Mrrrrarwww!! Nick Fury, agent of S.H.I.E.L.D. Grrrrrrr.
Granted this is coming from someone who just found her own first white hair. Not counting the mutant one that grows out of my elbow.