‘Switched at Birth’ Star Heading to ‘Big Bang Theory’

Katie LeClerc

Katie LeClerc

Switched at Birth‘s Katie LeClerc is heading to CBS’ The Big Bang Theory.

LeClerc, who is hearing impaired in real life, has been tapped to guest star as Emily, a friend of Penny’s who is deaf.

According to EW.com, she will appear in the Oct. 6 episode of The Big Bang Theory, which kicks of its fifth season on Thursday, Sept. 22 at 8/7c.

Switched at Birth returns with the rest of its supersized first season in early 2012.