Jackie Chan. Pre-Hollywood mainly.
Gary Oldman. Love him no matter what film he is in.
Alan Rickman. Love this guy even more. "Alas, your Mr. Takagi did not see it that way... so he won't be joining us for the rest of his life."
Well her name is on the pic but seiyu for Konata in Lucky Star, Haruhi in The Melancholy oF Haruhi Suzumiya, Reira Serizawa in NANA anime etc...
Yamapi. Nobuta-wo Produce <3
There are others I am fond of (like Simon Pegg) but it is mainly those five. By the way Aphy <3 your Spaced avatar!