Brooke D’Orsay as Christy Vanderbel
She was born on February 17, 1982. The Canadian actress played the character of Christy Vanderbel, Penny’s hometown friend from Nebraska, which coincidentally is engaged to her cousin. In the show, she stays with Penny for one episode and later hooks up with Howard. She also acted in How I Met Your Mother as Margaret and voiced Caitlin Cooke on the Teletoon animated series 6teen. She has since then retired from acting.
Brooke D’Orsay As Christy Vanderbel
Steven Yeun as Sebastian
Steven Yeun only appeared for a single episode in the show. He portrayed the character of Sebastian, which is Sheldon Cooper’s roommate before Leonard (And not a lot of people know about this). Sebastian’s character did not get along well with Sheldon in the series. Steven Yeun, however, is more known for his portrayal of the character Glen Rhee in the show The Walking Dead, in which he’s appeared as part of the main cast for seven seasons now.
Steven Yeun As Sebastian