Celebrity Resemblance: Omar Epps, i.e. Dr. Foreman, looks a LOT like Pittsburgh Steelers coach Mike Tomlin◊. This was referenced in the episode "Ignorance Is Bliss":
House: Got all of my starters back plus a couple of free agents. I feel like Mike Tomlin. (looks at Foreman) Probably not as much as you do, but you get the idea.