Steve Carell - Michael Scott
Michael Scott is the regional manager of the Scranton branch of Dunder Mifflin. He is well-meaning but often innapropriate, frequently prioritizing being liked over being an effective boss.
John Krasinski - Jim Halpert
Jim Halpert is a sales representative known for his laid-back attitude and dry sense of humour. He often plays pranks on his coworkers and develops a close relationship with Pam Beesly.
Jenna Fischer - Pam Beesly
Pam Beesly is the office receptionist who later becomes a saleswoman. She is kind, artistic, and often serves as the emotional center of the office.
Rainn Wilson - Dwight Schrute
Dwight Schrute is an eccentric and intensely loyal salesman. He takes his job very seriously and frequently competes for authority within the office.
Mindy Kaling - Kelly Kapoor
Kelly Kapoor works in customer service and is known for talkative personality and obsession with pop culture. Her dramatic behaviour often contrasts with the mundane office setting
B.J. Novak - Ryan Howard
Ryan Howard starts as a temporary employee and later becomes a corporate executive. His ambition and insecurity often lead to poor decision-making throughout the series.