Pam accidentally brings lice into the office and lets Meredith take the fall, while Dwight vows to destroy the parasites. Meanwhile, Jim has a fantastic day in Philly wooing a potential business associate, and Phyllis, Nellie and Kevin meddle in Darryl's love life.
Elenco: Rainn Wilson , John Krasinski , Jenna Fischer , Brian Baumgartner , Oscar Nunez , Angela Kinsey , Craig Robinson , Ed Helms , Leslie David Baker , Phyllis Smith , Ellie Kemper , Creed Bratton , Kate Flannery , Jochen Busse , Thorsten Nindel , Ulrike Bliefert , Jake Lacy , Clark Duke , Ali Hartman , Susanne Hartman , Catherine Tate .