Who does voice over for Cadillac commercials?

In 2010, John Slattery, or the guy who plays Roger Sterling in Mad Men, did the voice-overs for Cadillac commercials. However, as of 2011, Laurence Fishburn, or Morpheus from The Matrix franchise, does the voice-overs for Cadillac commercials.

It sounds like Richard Thomas who used to be "John-boy" on The Waltons, but that's strictly a guess.

No, Richard Thomas is doing Mercedes commercials. Richard Chamberlien (spelling?) of Dr Kildare fame was the last voice I heard on a Cadillac commcercial.

It's actually Chris Lemmon, son of Jack Lemmon.