Lake Bell is an actress currently starring in Childrens Hospital as Dr. Cat Black. Prior to her work on Childrens, Lake had starring and recurring roles in Miss Match, The Practice, Surface, and Boston Legal. She played Tipper in What Happens in Vegas where she met with Rob Corddry aka Dr. Blake Downs from Childrens Hospital. She was also in an episode of Wainy Days, the web series created by David Wain (director of Childrens Hospital). I should mention that she's very good in Childrens Hospital.