- “The Office” had a star-studded cast of leading characters, but other celebrities appeared, too.
- Idris Elba, Kathy Bates, and Will Ferrell had recurring roles on the comedy series.
- Other stars, like Jack Black, Jim Carrey, and Joan Cusack, had brief cameos.
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Principal cast aside, big celebrities and public figures made some hilarious, heartfelt, and flat-out weird guest appearances over the show’s eight-year run.
Read on for a refresher on all the celebrities who appeared and guest-starred on “The Office.”
Amy Adams played a short-lived love interest for Jim on seasons one and two.
Before Jim and Pam finally got together, there was Jim and Katy, played by Amy Adams.
Before the award-winning actress starred in “Enchanted,” “Doubt,” or “Julie and Julia,” she played Jim’s perky, ex-cheerleader girlfriend for three episodes before they broke up on season two’s “Booze Cruise.”
Tim Meadows serenaded fans on season two.
You may know Tim Meadows as Mr. Duvall in “Mean Girls,” but we can’t forget his business meeting with Michael and Jan at Chilli’s on season two.
Throughout the meal, he couldn’t refrain from singing the chain’s catchy jingle about baby-back ribs.
Ken Jeong was in Micheal’s improv class on season two.
On season two’s “Email Surveillance,” comedic actor Ken Jeong appeared in a memorable scene at Michael’s improv class.
Conan O’Brien appeared as himself on season two.
When Michael Scott goes to New York on season two’s “Valentine’s Day,” he thinks he sees Tina Fey outside the NBC building.
Though that clearly wasn’t the comedic actress, in the next shot, Conan O’Brien walks right by Michael undetected.
Kevin McHale had a memorable role as a pizza deliverer on season four.
Before he landed his well-known role as Artie Abrams on “Glee,” Kevin McHale played a pizza deliverer on season four of “The Office.”
His attitude landed him as Michael and Dwight’s hostage during the company launch party after he refused to offer a discount on the pizzas.
Jack Black and Jessica Alba randomly appeared on season five.
Jack Black and Jessica Alba made a small appearance as an on-screen couple in a fictional film that Andy bootlegs on season five’s “Stress Relief.”
Idris Elba played a tough higher-up on season five.
Michael Scott definitely had a penchant for befriending the corporate higher-ups at Dunder Mifflin, but Charles Miner (played by Idris Elba) made that difficult throughout season five with his no-nonsense managerial style.
Christian Slater appeared in a strange orientation video on season six.
Christian Slater played himself on the season-six episode “Sabre.”
He can be seen in the mildly creepy orientation video the characters watch when Sabre takes over Dunder Mifflin.
Melissa Rauch played a fellow new mum on season six.
Soon after she started her role as Bernadette Rostenkowski on “The Big Bang Theory,” Melissa Rauch guest-starred as new mum Cathy on “Delivery: Part 2.”
On the episode, Pam accidentally breastfeeds Cathy’s baby instead of her newborn daughter, Cece, at the hospital.
Evan Peters played Micheal’s nephew on season seven.
Timothy Olyphant played a competing salesman on season seven.
“The Santa Clarita Diet” star appeared as rival salesman Danny Cordray on two episodes of season seven.
He left the show after he revealed he thought Pam was too dorky to date.
On season seven, Ricky Gervais played his iconic character from the UK version of the show.
Before NBC’s “The Office,” there was BBC’s “The Office” in the UK.
On that show, cocreator Ricky Gervais starred as David Brent, the British version of Michael Scott.
Gervais reprised his role twice on season seven of the US show.
In the cold open of “Seminar,” he befriends Michael outside an elevator, and on “Search Committee,” he applies for the manager position at Dunder Mifflin.
Warren Buffett made a sly guest appearance on season seven.
The season-seven finale, “Search Committee,” brought a whole slew of guest stars, including American tycoon Warren Buffett.
During his brief cameo, the successful investor ironically tries to penny-pinch Dunder Mifflin during his job interview for the open manager position.
Will Arnett was another celeb on the “Search Committee” episode.
Will Arnett’s guest appearance was brief but memorable on the season-seven finale.
He played a secretive managerial candidate who insisted on withholding his precious three-step plan for the office from Jim, Toby, and Gabe.
Jim Carrey also guest-starred on the season-seven episode.
Jim Carrey was another celebrity guest star on “Search Committee.”
His quirky character, simply known as Finger Lakes Guy, skipped out on a family vacation to interview for the manager position.
Ray Romano also played an interviewee on season seven.
The comedian and star of “Everybody Loves Raymond” joined the handful of celebs that made appearances on “Search Committee.”
Romano played Merv Bronte, the easily-influenced and self-deprecating interviewee who brings a sandwich to his interview.
Kathy Bates also appeared on seasons seven and eight.
Before Robert California talked his way into the Dunder Mifflin/Sabre office, Kathy Bates played the overly-confident and deeply-Southern Jo Bennett, Sabre’s original founder and CEO.
Will Ferrell popped up a few times on season seven.
Will Ferrell appeared on a few episodes of season seven as Michael Scott’s replacement, Deangelo Vickers.
His arc lasted for just four episodes before Vickers made a not-so-graceful exit after injuring himself in a freak basketball accident.
Josh Groban played Andy’s brother on seasons eight and nine.
Josh Groban played Andy Bernard’s more talented, adorably unaware younger brother Walter Bernard Jr. near the end of the series.
On season eight’s “Garden Party,” he upstages Andy and mistakes both Phyllis and Meredith for Pam.
The character returns on season nine when Andy decides to sail the family boat to the Bahamas.
Stephen Colbert was Broccoli Rob on season nine.
Andy’s college frenemy Broccoli Rob was mentioned multiple times throughout the series.
When he finally appeared, via video call, on season nine’s “Here Comes Treble,” he was played by late-night host Stephen Colbert.
Randall Park played “Asian Jim.”
On season nine, Jim and Pam played an iconic prank on Dwight during which Randall Park walked into Dunder Mifflin pretending to be Jim.
Dakota Johnson replaced Kevin on the finale.
After Dwight fires Kevin from Dunder Mifflin, “50 Shades of Grey” star Dakota Johnson played his replacement on the series finale.
Joan Cusack had sweet cameo on the series finale.
Joan Cusack had a small but significant role on the series finale as Erin’s biological mother.
Although she only had a few lines, her sweet role was the perfect touch on what was arguably one of the most emotional episodes of the series.