Dennis is a fictional character portrayed by Cooper Thornton in the TV series The Office.
In the first episode they appeared in, titled Phyllis' Wedding (season 3), they were 45 years old.
They appear in 1 episodes out of a total of 188 aired
Dennis is also portrayed by Ross Mackenzie.
Episodes1
Phyllis' Wedding
episode S3.E15 february 2007Michael exaggerates the importance of his small role in Phyllis's wedding and makes an ass out of himself, and Pam notices that Phyllis stole all of her wedding ideas from her original wedding plans.
