Titus Welliver and Reed Diamond equip the fourth season of White Collar from a short visit. Another guest star Sprague Grayden portrays a younger character who recently introduced .

The next wave of guest performers for the fourth season spills to "White Collar". Titus Welliver ("Sons of Anarchy," "The Good Wife") and Reed Diamond ("Dollhouse", "Franklin & Bash") indicate, according to TV Guide's honor, a cameo in the new series to be completed. But that's not enough, Sprague Grayden ("Jericho," "Paranormal Activity 2") also looks over for a short Gastpiel.

Welliver takes over the role of senators Terrence Pratt, a prominent politician with links to Neal (Matthew Bomer) Copvater corrupt. Senator Pratt is willing to do everything in his power to keep his past a secret. Diamond plays Edward Cole, a prominent New York and unscrupulous Baumagnat with extensive political connections. Sprague is a younger version of Neal's old family friend Ellen (Judith Ivey), which was only in the final of the third season of the audience.

The trio joins the guest ensemble cast led by Michael Weston ("Scrubs," "House"), Laura Vandervoort ("Smallville", "V"), Laurie Williams ("Law & Order," "Blue Bloods"), Rebecca Mader ("Lost "), Victor Webster (" Castle "," Continuum ") and Gloria Votsis of returnee.

On July 10 , the fourth season of "White Collar" will broadcast on Tuesday from 21 clock on USA Network.