Vince Vaughn appeared in Wedding Crashers.
Vince Vaughn . In the 2000s , he acted in several comedies , including Old School ( 2003 ) , Dodgeball : A True Underdog Story ( 2004 ) , Wedding Crashers ( 2005 ) , The Break-Up ( 2006 ) , and Fred Claus ( 2007 ) . Wedding Crashers . 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 .