Ryan Thomas is played by Kerr Smith in Life UnExpected. He's the on-air partner - and real-life boyfriend - of Cate Cassidy.
Therefore, Ryan isn't actually Lux's father, of course. But he plays a vital role in the burgeoning, odd family that is developing around Cate, Lux, Baze and himself.
Ya know - I still can't get over that hair.Ryan
Ryan: You threw a remote at my head last night.
Cate: Threw is strong. I tossed it.