Guest Stars Dana Elcar as Pete Thornton Elya Baskin as Yuri Demetri Jane Merrow as Dr. Natalia Petrovich Paul Koslo as Dr. Suvarin Marvin Kaplan as Chess Master Lawrence Dobkin as Alexander Karsoff Sharon Maughan as Maria Karsoff Tim Rossovich as Political Prisoner Co Starring Harry Woolf as Supervisor Stephen Anthony Henry as Stepanov Austin Kelly as Boris Uncredited Frank Slaten as Asylum Inmate