Keach, who currently stars in Jon Robin Baitz's latest play, Other Desert Cities, at Lincoln Center Theater, will step into the role of Willy Loman opposite Kaczmarek ("Malcolm in the Middle") as Linda.
Death of a Salesman will run March 16-20 at the Skirball Cultural Center. Additional casting will be announced shortly.
Simonson, a Steppenwolf Theatre Company member, is currently represented on Broadway with the football-centered play Lombardi. It was announced Feb. 17 that Magic/Bird, his account of the relationship between basketball players Larry Bird and Magic Johnson, will arrive on Broadway in 2012.
All productions are recorded and broadcast on LATW's nationally syndicated radio theatre series, "The Play's the Thing."
For tickets to any of "The Play's the Thing" productions at the Skirball Cultural Center, 2701 N. Sepulveda Boulevard, call the L.A. Theatre Works box office at (310) 827-0889.
For more information visit latw.org.