Name your Hollywood Doppelgängers

[cmeador]

So according to achearing, Edward Norton and John Cusack are the same person... and according to me, Tom Selleck and Burt Reynolds are the same person.

Which celebrities do you always get mixed up?

update: honorable mentions
Bill Pullman and Jeff Daniels
Gary Busey and Nick Nolte
Andie Macdowell and Julia Louis-Dreyfuss