The Office has featured a number of talented actors know for other projects. Below is a list of actors that have had a sinlge appearance or only a few appearances throughout the series.  Season 1 saw Amy Adams' first appearance as Katy in, "Hot Girl". 

Season 2Edit

Season 3Edit

  • In The Convention Jerome "The Bus" Bettis guest stars as himself. 

Season 4Edit

Season 5Edit

  • In Business Trip Wendi McLendon-Covey guest stars as Marie the Concierge
  • In Stress Relief, Cloris Leachman, Jack Black, and Jessica Alba appear in the fictional movie "Mrs. Albert Hannaday"
  • In New Boss and Two Weeks Idris Elba stars as Charles Miner

Season 6Edit

  • In Sabre Christian Slater guest stars as himself.
  • The Office "Mafia" Mike Starr guest stars as Insurance Salesman ( Mr Grotti )
  • The Delivery pt 2 Mellisa Rauch ( New mom sharing the room with Pam )

Season 7Edit

Season 8Edit

Season 9Edit

  • In Here Comes Treble Stephen Colbert guest stars as Broccoli Rob, Andy's friend and a past member of the accapella group Here Comes Treble.
  • In The Boat Josh Groban reprises his role as Andy's brother.
  • In Lice Julius Winfield Erving aka Dr. J. of the NBA guest stars as himself.
  • In Promos MLB player Ryan Howard guest stars as himself.
  • In Livin' the Dream Michael Imperioli guest stars as Sensei Billy
  • In Finale Joan Cusack guest stars as Erin's mother, Ed Begley Jr. guest stars as Erin's father, Rachael Harris  guest stars as Angela's sister Rachel, and Nancy Walls reprises her role as Carol Stills.
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