“NBC also tells TV Guide exclusively that Deal — which will present its “10 Greatest Moments” as part of the show’s Thanksgiving special — will feature surprise guest stars, including The Office‘s accounting staff, who’ll assist a contestant who has trouble with numbers.
The installment featuring Angela Kinsey, Brian Baumgartner and Oscar Nunez was shot Sept. 28 and will air Dec. 12.”
Read more: Office Accountants Make a Deal