5. Act of Betrayal (1971)
Mr. Norton asks the Jacksons to let someone be a lookout for a mystery man. When Gordon Lonsdale is seen visiting the Krogers across the road, MI5 decides to use the Jacksons' home as a base to trap the Portland spy ring.
Release date: 1971-01-03
Season number: 6
Episode number: 5
Runtime: 85 minutes
Director: William Slater
Writer: Hugh Whitemore
Guest stars
Rest of guest stars - click here to expand
Mary Wimbush - Helen Kroger, Gertan Klauber - Konon Molody, Karin MacCarthy - Pat, Kerry Arnell - Susan, Rolf Lefebvre - Narrator (voice)