Are these two related?

Was Heath Ledger ( http://media.photobucket.com/image/heath%20ledger/maggie_cute/heath_ledger_01.jpg?o=33 ) related to Simon Baker ( http://media.photobucket.com/image/heath%20ledger/maggie_cute/heath_ledger_01.jpg?o=33 ) ? Because they seem to look a lot alike to me.