The following are background employees of Dunder Mifflin Paper Company throughout various offices and branches.
Louanne appears frequently in the background of many scenes in earlier episodes of the show.
Early on in the show, they had not yet established their supporting cast. In the pilot, four office workers are seen that are never seen or heard from again. It is possible they were fired, went to work at a different branch, or left after hearing rumors of downsizing.
The male employee is played by Mike McCaul.
The red-haired woman is Meredith Palmer, played by Henriette Mantel in the pilot. (The role was subsequently recast.) Footage of Mantel walking to a filing cabinet was used in the final scene of "Hot Girl", though she was in the same clothing as the pilot, clearly revealing the scene as a flashback image.
The other two women were the real-world accountants on the show. Rainn Wilson mentions this in the DVD commentary, and Angela Kinsey and Jenna Fischer explained in their podcast that director Ken Kwapis went into the production office asking for volunteers to be background characters. The two women volunteered and thoroughly enjoyed the experience.
Alliance warehouse worker
Basketball warehouse worker
Sexual Harassment warehouse worker
Back From Vacation warehouse workers
These two warehouse workers were seen counting inventory in Back From Vacation.
DakotaA year after the documentary has aired, Kevin has been fired by Dwight and Dakota has taken his place. She appears to be quite young and she is tall with blond hair. She asks Oscar about a strange mark that Kevin made on all his forms.
A year after the documentary has aired, Nellie has left the office and now lives in Poland and a middle age Asian woman now sits at her desk.
White Male Employee
A year after the documentary has aired, a young white male employee now works at an unspecified job at the Scranton branch. He has brown hair that is slightly spiked. As he is only seen doing Dwight's morning exercises and making copies, it is likely he works in the annex. As Toby was fired by Dwight, it is possible he may be the new head of Human Resources.
A year after the documentary has aired, Stanley has retired and a young black male has taken his place. Phyllis is slightly stunned how after so many years with sitting across from someone as grumpy as Stanley, someone who is very nice to her sits across from her. He seems to enjoy Phyllis's snacks.
Devon was an employee to be present in seasons 1, 2, and 9. He was fired by Michael in season 2 for budget reasons ("Halloween"). Then after Creed faked his own death in the baler, Dwight re-hired him saying that he always liked Devon.
The Carpet cleaning lady
In The Carpet, this cleaning lady attempts to clean Michael's office's awful carpet stain. She is none-too-successful.
Night Out cleaning staff
In Night Out, the cleaning staff unlock the parking lot gates, permitting the locked-in office staff to go home.
These two females were frequently seen at the Stamford branch before its closing. The woman on the left appears to be the Stamford receptionist.
The Merger Stamford employee
In the episode The Merger, this unknown character is seen sitting next to Andy on the table in the conference room. Considering all the Stamford employees were told to sit on the table, it is assumed he was once an employee at Stamford. This character, however, is never seen again.
The Negotiation corporate receptionist
In the episode The Job, Michael explains to Jim and Karen that since he's been there a bunch of times, if they need to know anybody's names, they should ask him. Jim notices a bearded man and asks Michael who that is. Michael responds that that is "Beardy", obviously not knowing his name. When Jim explains that he will introduce himself, Michael stops Jim suddenly, clarifying that "Beardy" is simply what Michael calls him.
The Job corporate security guard
Launch Party employee
Just after the Launch Party ends, this corporate employee approaches Michael and Dwight to tell Michael that he enjoyed his statement and that it was funny to see Ryan embarrassed. He is played by Brad Graiff
Ryan's secretary delivers the message that he has a call from "Eddie Murphy" (actually Michael) in the episode Local Ad. She is played by Virginia Newcomb.
In The Deposition, Ryan is accompanied by two employees who dress and groom themselves in a manner similar to Ryan. The shorter one types on his Blackberry.
Crime Aid corporate employee
Stephanie appeared in the episode New Boss. She is David Wallace's secretary. Presumably under David's instructions, she thwarts Michael's attempts to talk to him, at one point forwarding Michael to Charles Miner's cell phone. Michael circumvents Stephanie's efforts by driving to New York to see David in person. She also appeared in the Season 6 episodes, Scott's Tots and Secret Santa.
Branch Wars Extra
This employee was frequently seen in the background at the Utica branch in the episode Branch Wars. She was played by a woman named Amy who won a contest for an on-screen role on The Office. According to her report, her character is Karen's friend.
Mark (AKA Baldy)
Other Utica Employees
In the episode Lecture Circuit Part 1, these employees are also seen in Utica's conference room.
Jennie Tan set up a website at Dunder Mifflin Buffalo. Her job is unknown. She is played by Jennie Tan.
Lipophedrine Diet Pill Company
Man 1 is one of the employees of the Lipephedrine Diet Pill Company in "Money".
Pregnant Woman is the wife of Man 1 and an employee of the Lipephedrine Diet Pill Company. Like her husband and some other employees, she finds Michael to be a nice guy and invites him for drinks after work.
Young Man is an employee of the Lipephedrine Diet Pill Company. He was one of the employees who took a liking to Michael and stated that he should review movies when Michael gave a comparison of Die Hard with Live Free or Die Hard.