According to the guy who complied the list (in November 2012) this takes into account current payment for shows, rerun syndication payment, and advertising revenue.
Ashton Kutcher - $24,000,000
Ray Romano - $18,000,000
Hugh Laurie - $18,000,000
Mark Harmon - $15,000,000
Alec Baldwin - $15,000,000
Tim Allen - $14,000,000
John Cryer - $13,000,000
Patrick Dempsey - $12,000,000
Jim Parsons - $8,000,000
Johnny Galecki - $8,000,000
Sofia Vergara - $19,000,000
Kim Kardashian - $18,000,000
Eva Longoria - $15,000,000
Bethenny Frankel - $12,000,000
Khloe Kardashian - $11,000,000
Tina Fey - $11,000,000
Mariska Hagitay - $10,000,000
Zooey Deschanel - $9,000,000
Felicity Huffman - $9,000,000
Ellen Pompeo - $9,000,000