Factual error: Early in the movie we see the newspaper dated "Sunday, March 14, 1987". March 14, 1987 was a Saturday, not a Sunday.
Blades of Glory (2007)
Plot summary
Starring: Will Ferrell, Will Arnett, Craig T. Nelson, Amy Poehler, William Fichtner, Jenna Fischer, Jon Heder
Two internationally renouned male ice skaters, one an orphan adopted into a privileged lifestyle with a team of coaches, choreographers and medical practioners, the other a bad boy from the wrong side of the tracks who uses his raw sexual magnetism to wow the crowds.
They are bitter rivals and when they both pull off fantastic routines at the championship a no-holds-bar fight erupts on the podium and they are banned from competing in the males competition for life.
A loophole is found, whereby they can compete as an all-male pair, and the race is on to become match fit and prove the sceptics wrong.
Lucy
Answer: He is credited. In the beginning, the credits read Will Farrell, then Blades of Glory, and THEN Jon Heder shows up.