In spoiler casting news, a new guest-star has been added to the How I Met Your Mother season 9 mix.
Revenge star, Roger Bart is set to guest-star as Bart. The character is described to be an employee at the hotel in Farhampton where Barney (Neil Patrick Harris) and Robin (Cobie Smulders) are set to tie the knot.
It's unclear just how many episodes he will appear in so far, so stay tuned!
How I Met Your Mother returns Monday, September 23rd.