As already reported, William Sadler will be guest starring on “White Collar”. According to EW, the episode is entitled “Where There’s A Will”:
[…] it’s about a forged will that turns out to be a treasure map. Sadler plays a menacing (of course) security consultant who orchestrates a kidnapping.
Danny Masterson, his real-life brother Christopher Masterson and Anna Chlumsky are going to appear in the episode “Where There’s a Will” as well. The third season premieres on June 7 at 9/8c. For more information on the show head on over to the official website.