Anne Dudek, Olivia Wilde, Kal Penn Join House

The medical televison series House is filling up with new doctors following the loss of Hugh Lawrie, Omar Epps, Jennifer Morrison and Jesse Spencer.

Filling their shoes will be: Olivia Wilde, Kal Penn, Peter Jacobson, Edi Gathegi and Anne Dudek.

House kicks off it's fourth series on September 25th.