Salli Elise Richardson-Whitfield is an American actress, best known for her role as Dr. Allison Blake on Eureka. On House, M.D., she portrayed pharmaceutical representative and Eric Foreman's girlfriend Sharon in the Season 1 episode Sports Medicine. Richardson-Whitfield has been a professional actress since the age of 14 and has had featured roles in Posse, A Low Down Dirty Shame, Gargoyles, Mercy Point, Rude Awakening, Family Law, CSI: Miami, NYPD Blue, Criminal Minds and The Newsroom.