WATCH: Actor Vince Vaughn Takes Polar Plunge

Actor Vince Vaughn took the polar plunge Sunday, dunking into the icy cold waters of Lake Michigan to benefit the Special Olympics.

Vaughn is well known for his parts in The Wedding Crashers, The Break-Up, Anchorman and other films.

Sunday was the 15th annual Chicago Polar Plunge, and Vaughn was an expected special guest.