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Four of the main cast members are originally from Massachusetts: Steve Carell (Michael Scott), John Krasinski (Jim Halpert), B.J. Novak (Ryan Howard), and Mindy Kaling (Kelly Kapoor). Guest stars Nancy Carell (Carol Stills) and Andy Buckley (David Wallace) are also from Massachusetts.
John Krasinski and B.J. Novak went to high school together. They went to Newton South High School in Newton, Massachusetts, and they both graduated in 1997. They were even on the same little league baseball team.
The computers on the Dunder Mifflin office set were wired for the internet. Cast members admitted that when they're in the background of scenes, they were often checking e-mail and surfing the net.
When John Krasinski (Jim Halpert) got the role of Jim, the first thing he asked the casting director was "did Jenna Fischer (Pam) get the role?" Similarly, when Jenna got the job, the first thing she asked the casting director was about John getting the role.
Jim would have spent an estimated $7,000 to $10,000 pranking Dwight across the entire series.