Women in Chains
Lady parole officer goes undercover to investigate prison brutality, but is trapped when the only person on the outside who knows why she's there is killed.
Ida Lupino, Lois Nettleton, Jessica Walter, Belinda Montgomery, Penny Fuller, John Larch, Neile Adams, Hazel Medina, Katherine Cannon, Lucille Benson, Joyce Jameson, Judy Strangis, William Andrews, Alice Backes, Barbara Baldavin