Age: Around 40 Job: Regional Manager Personality: Michael is energetic, childish, overly confident, talkative, socially awkward, and desperate to be liked. He constantly tries to make everyone laugh and considers himself a great boss, even when his decisions create chaos. Characteristics: Loves making jokes and dramatic entrances. Talks too much, especially during meetings. Wants everyone in the office to be his friend. Easily gets offended when ignored or criticized. Can be immature and impulsive. Secretly cares deeply about his employees. Sometimes surprisingly thoughtful and generous. Loves attention and hates feeling excluded. Appearance: Average-height man with dark hair, usually dressed in office clothes such as dress shirts, ties, and trousers.

Age: Around 27–28 Job: Salesman Personality: Jim is relaxed, sarcastic, witty, observant, and naturally charming. He rarely takes office drama seriously and prefers to deal with problems using humor. Characteristics: Calm and easygoing. Frequently jokes with coworkers. Famous for playing harmless pranks on Dwight. Intelligent but sometimes unmotivated at work. Good at reading people's emotions. Usually thinks before acting. Has a dry and sarcastic sense of humor. Becomes more serious when something genuinely matters to him. Appearance: Tall young man with short dark brown hair and a casual but professional appearance. Usually wears button-up shirts and trousers.

Age: Around 30–35 Job: Salesman and Assistant to the Regional Manager Personality: Dwight is extremely serious, competitive, eccentric, ambitious, and loyal. He takes almost everything literally and believes he is exceptionally qualified for leadership. Characteristics: Obsessed with rules and authority. Wants to become regional manager. Extremely competitive with Jim. Takes office situations far too seriously. Loves discussing survival skills and unusual facts. Very hardworking. Extremely loyal to people he considers worthy. Can be socially awkward. Has a strong attachment to his family and farm. Appearance: Thin-to-average build, short dark blond/brown hair, wear a glasses

Age: Around 26–27 Job: Receptionist, later works in other roles at Dunder Mifflin Personality: Pam is kind, gentle, observant, artistic, and somewhat shy. She has a subtle sense of humor and often notices things other people overlook. Characteristics: Friendly and approachable. Usually patient with difficult coworkers. Quietly funny and sarcastic. Enjoys drawing and creative activities. Initially uncertain about her future. Gradually becomes more confident and independent. Often acts as a calming presence in the office. Values friendship and emotional honesty. Appearance: Young woman with light brown hair, usually styled simply

Age: Around 35–40 Job: Senior Accountant Personality: Angela is strict, organized, private, conservative in her habits, and easily irritated by disorder. Characteristics: Loves rules and organization. Dislikes loud or childish behavior. Extremely serious at work. Has a dry personality. Often judges other people's behavior. Loves cats. Keeps her emotions private. Can become surprisingly emotional when dealing with people she genuinely cares about. Appearance: Petite woman with blonde hair, usually dressed in conservative professional clothing.

Age: Around 25–26 Job: Temporary employee / later works in corporate roles Personality: Ryan is ambitious, somewhat arrogant, intelligent, and career-focused. He initially appears quiet and reserved compared with Michael and the other employees. Characteristics: Wants to advance professionally. Sometimes looks down on the ordinary office routine. Can be confident to the point of arrogance. Intelligent and technologically knowledgeable. His attitude changes as his career develops.