With: Lisa Daniely (Diane), Deborah Watling (Sally), John Rudling (Dr. Court), Patricia Jessel (Katrina), Derren Nesbitt (Stephan), Jane Barrett (Jenny), Barry Letts (Control Officer)
And: Duncan Lamont (Scott)
Story and Screenplay By: Ian Stuart Black
Directed By: Quentin Lawrence
Ep: 15
Death Cell
With: Lisa Daniely (Diane), Lana Morris (Ellen Summers), Ian Wallace (Dr. Trevor), William Lucas (George Wilson), Bruce Seton (Sir Charles), Jack Lambert (Prison Governor), Bettina Dickson (Miss Beck), Patricia Burke (Mrs. Willis)
Teleplay By: Michael Connors
Directed By: Peter Maxwell
Ep: 16
The Vanishing Evidence
With: James Raglan (Professor Harper), Charles Gray (Thal), Ernest Clark (Colonel Ward), Sarah Lawson (Jenny Ryden), Michael Ripper (Porter), Peter Illing (Inspector Strang), Ewen Solon (Superintendent)
Story and Screenplay By: Ian Stuart Black
Directed By: Peter Maxwell
Ep: 17
The Prize
With: Lisa Daniely (Diane), Tony Church (Professor Kenig), Desmond Roberts (General), Clive Baxter (Sentry), Richard Clarke (Captain Bera), Ruth Lodge (Agasha)
And Guest Stars: Mai Zetterling (Tania), Anton Diffring (Gunzi)
Story and Screenplay By: Ian Stuart Black
Directed By: Quentin Lawrence
Ep: 18
Flight Into Darkness
With: John Harvey (Wade), Michael Shepley (Sir Jasper), Joanna Dunham (Pat Stephens), Colin Douglas (Sewell), Alex Scott (Fisher)
And Guest Stars: Geoffrey Keen (Dr. Stephens)
And: Esmond Knight (Wilson)
Original Story By: William H. Altman
Screenplay By: Ian Stuart Black
Directed By: Peter Maxwell
Ep: 19
The Decoy
With: Robert Gallico (Captain Rubens), Philip Leaver (Stavros), Wolf Morris (Andreas), Barry Shawzin (Giorgio), Lionel Murton (General), Bruno Barnabe (First Secretary)
And Guest Star: Betta St. John (Toni and Terry Trent)
Screenplay By: Brenda Blackmore
Directed By: Quentin Lawrence
Ep: 20
The Gun Runners
With: Bruce Seton (Colonel Grahame), Paul Stassino (Sardi), Charles Hill (Arosa), Joseph Attard (Hotel Manager), Laurence Taylor (Malia), James Booth (Ali), Morris Sweden (Airport Clerk)
And Guest Star: Louise Allbritton (Zena Fleming)
Story and Screenplay By: Ian Stuart Black
Directed By: Peter Maxwell
Ep: 21
The White Rabbit
With: Marla Landi (Suzanne Dumasse), Austin Trevor (Hugo), Paul Daneman (Rocher), Arnold Marle (Valois), Arnold Diamond (Professor Blaire), Reed De Rouen (Max), Myrtle Reed (Louise), Keith Pyott (Dr. Dumasse)
Story and Screenplay By: Ian Stuart Black
Directed By: Quentin Lawrence
Ep: 22
Man in Disguise
With: Deborah Watling (Sally), Leigh Madison (Madeleine), Tim Turner (Nick), Lee Montague (Matt), Robert Raglan (Detective Inspector), Howard Pays (Sergeant Day), Jeanette Sterke (Sergeant Winter), Robert Rietty (Victor), Denis Shaw (Club Manager), Felix Felton (Aylmer)
Original Story By: Leslie Arliss
Screenplay By: Brenda Blackmore
Directed By: Quentin Lawrence & Peter Maxwell
Ep: 23
Man in Power
With: Vivian Matalon (King Rashid), Nadia Regin (Princess Taima), Gary Raymond (Prince Jonetta), Andrew Keir (Hassan), Derek Sydney (Colonel Fayid), Ivan Craig (Ambassador)
And Guest Star: Andre Morell (General Shafari)
Story and Screenplay By: Ian Stuart Black
Directed By: Peter Maxwell
Ep: 24
The Rocket
With: Glyn Owen (Smith), Russell Waters (Reitter), Robert Brown (Professor Howard), Robert Raglan (Detective Inspector), Jennifer Wright (Mrs. Smith), Harold Goodwin (Driver Evans), Maurice Durant (Sergeant), Colin Croft (Bill)
Story and Screenplay By: Michael Pertwee
Directed By: Quentin Lawrence
Ep: 25
Shadow Bomb
With: Conrad Phillips (Captain Finch), Jennifer Jayne (Betty), Walter Gotell (Lloyd), Ian Hendry (Lieutenant Daniels)
And: Anthony Bushell (General Martin)
Story By: Tony O'Grady
Screenplay By: Tony O'Grady & Ian Stuart Black
Directed By: Peter Maxwell
Ep: 26
The Big Plot
With: Barbara Shelley (Helen), John Arnatt (Lord Peversham), Richard Warner (1st Officer), Derrick Sherwin (2nd Officer), Edward Hardwicke (MacBane), Basil Dignam (Minister), Ewen MacDuff (Sir Charles), Terence Cooper (Hanstra)