Old photo of RSL and Hugh Laurie on the set of House.

[discofunction]

I think it was BTS of Birthmarks. It was posted by Alexander Hall, who was an extra on House and also became the stand-in for RSL!

"Hugh Laurie's happy birthday 'cake gathering' on location, June 11 2008. With Robert Sean Leonard and 2nd-2nd Assistant Director, Michelle Gritzer": https://www.facebook.com/photo.php?fbid=502164966788026&set=a.502161106788412.1073741875.100009835801942&type=3&theater

and also...

"A very kind note from Actor, 'Robert Sean Leonard', thanking me for my contribution to the work as his Stand-In on 'House' - Spring 2008": https://www.facebook.com/photo.php?fbid=502165226788000&set=a.502161106788412.1073741875.100009835801942&type=3&theater