Claim: Vince Vaughn appeared in Wedding Crashers.
Evidence: In the 2000s , he acted in several comedies , including Old School -LRB- 2003 -RRB- , Dodgeball : A True Underdog Story -LRB- 2004 -RRB- , Wedding Crashers -LRB- 2005 -RRB- , The Break-Up -LRB- 2006 -RRB- , and Fred Claus -LRB- 2007 -RRB-.
Starring an ensemble cast led by Owen Wilson , Vince Vaughn , and Christopher Walken , and featuring Rachel McAdams , Isla Fisher , Bradley Cooper , Jane Seymour , the film has a notable cameo appearance by Will Ferrell.