<Tr> <Td> ← Previous "Suit Warehouse" </Td> <Td> Next → "Junior Salesman" </Td> </Tr> <Tr> <Td_colspan="2"> The Office (U.S. season 9) List of The Office (U.S. TV series) episodes </Td> </Tr> <P> "Customer Loyalty" is the twelfth episode of the ninth season of the American comedy television series The Office . The episode was written by Jonathan Green and Gabe Miller, and directed by Kelly Cantley . It originally aired on NBC on January 24, 2013 . The episode guest stars Chris Diamantopoulos as Brian the boom mike operator, and Ben Silverman as Isaac, a coworker of Jim's . </P> <P> The series--presented as if it were a real documentary--depicts the everyday lives of office employees in the Scranton, Pennsylvania, branch of the fictional Dunder Mifflin Paper Company . In this episode, Jim Halpert (John Krasinski) is forced to miss his daughter's first recital after a major investor exits his company, leading to a fight with his wife Pam (Jenna Fischer). Dwight Schrute (Rainn Wilson) tries to prevent Darryl Philbin (Craig Robinson) from leaving the office . Nellie Bertram (Catherine Tate) tries to put an end to Pete (Jake Lacy) and Erin Hannon's (Ellie Kemper) flirting with each other . This episode also begins to finally reveal who is behind the documentary . </P>

Who plays brian in the office season 9