Andy Milder has signed up for a guest role,a man with mental difficulties, in the new season of Criminal Minds dvd.

The character will become involved in the BAU's latest case, in which the perpetrator robs his victims of an unusual item.

Milder plays Dean Hodes on Weeds and also plays recurring roles on Parks and Recreation and The Middle. His additional credits include episodes of Bones, Private Practice and CSI: NY.

Boardwalk Empire star Tracy Middendorf will also appear in the episode as an unspecified character. Her recent television roles include guest stints on The Mentalist, CSI and Law & Order: SVU.

Other actors confirmed to appear in upcoming episodes of Criminal Minds dvd boxset includes actor Mark Moses Mad Men and JAG star Isabella Hofmann.

The seventh season Criminal Minds dvd on sale starts on September 21 on CBS.