Weekend of Terror

Robert Conrad

as Eddie

Carol Lynley

as Sister Meredith

Lee Majors

as Larry

Lois Nettleton

as Sister Ellen

Jane Wyatt

as Sister Frances

Kevin Hagen

as Lieutenant Papich

Tod Andrews

as Wedemeyer

Gregory Sierra

as Police Sergeant

Ann Doran

as Sister Nadine

Barbara Barnett

as Louise

Byron Clark

as Chief Guard