In Treatment will acknowledgment Monday, Oct. 25, with back-to-back new episodes, the arrangement appear Thursday.

Starring Golden Globe champ Gabriel Byrne as psychotherapist Paul Weston, the third division of HBO's compress ball will air Mondays and Tuesdays with two half-hour episodes anniversary night.

Amy Ryan books role on In Treatment

Byrne is abutting by new casting associates Irrfan Kahn, Debra Winger, Dane DeHaan and Amy Ryan.

Previous alternating casting associates included Dianne Wiest, Blair Underwood, Embeth Davidtz, Josh Charles, Hope Davis and John Mahoney, a part of others