After much /is-steve-carell-returning-for-the-office-series-finale/speculation, insiders have confirmed that Steve Carell is returning as Michael Scott in The Office series finale. It isn't known if he will pop up in Part 1 or Part 2 of the finale, airing Thursday, May 16th on NBC.

The actor's return as longtime Dunder Mifflin regional manager Michael Scott is said be be a brief cameo appearance, but it is not known if Amy Ryan, who played Michael's longtime girlfriend Holly Flax, is returning as well. Both Steve Carell and Amy Ryan's last appearance was in the Season 7 episode "Goodbye, Michael", when they both moved to Colorado to start a new life together.

We reported last month that Mindy Kaling and B.J. Novak are coming back for the last episode as Kelly Kapoor and Ryan Howard. Other confirmed guest stars include Rachael Harris, Dakota Johnson, Joan Cusack, Ed Begley Jr., Malcolm Barrett, Matt Jones, Andy Buckley, Michael Schur, Bobby Ray Shafer.

Steve Carell made a surprise appearance at The Office series wrap party in Scranton, Pennsylvania, where the series is set, on Saturday.