Young James Spader & Gabriel Mann

     

If there's anyone better than James Spader Now, it's James Spader Then. When Spader was younger, his narrow face honed his now-trademark bitterness, and his aviators harbingered the slippery juggernaut he would one day become. 

It's time to make a movie about young James Spader. And Gabriel Mann, from Revenge and (more importantly) the Mad Men episodes when Betty was riding horses a lot, should play him. 

Proof:

 

Jeanne Tripplehorn & Sela Ward

As far as I know, Jeanne Tripplehorn and Sela Ward must go up for the same parts a lot of the time. Maybe one day they could play adult sisters (if they haven't already), not quite twins but much closer than "regular" siblings. It will be called the Trippletwins.

Justin Theroux & Jesse Bradford

   

Justin Theroux - who wrote Tropic Thunder, acted in The Ten, and will be directing Zoolander 2 - is a jack of all trades. He also looks sort of like Jesse Bradford, who played Eliza Dushku's brother in Bring It On. 

Sharp noses + big black eyebrows + jawbone = lookalikesies

Kenneth Branaugh & Kiefer Sutherland

   

Kenneth Branagh and Kiefer William Frederick Dempsey George Rufus Sutherland look alike. One's Northern Irish and the other's Canadian, which explains the vaguely-English twin thing they have going. Kenneth, Kiefer: this crumpet's for you!