Cast: Clive Revill (Mark), Richard Murdoch (Perry), Gabrielle Drake (Penny), Terry Taplin (Hara), Michael Turner (Dr. Culver), Trevor Adams (Sandy), Roger Avon (Headmaster), Gabor Vernon (Russian Doctor)
Teleplay By: Brian Clemens
Directed By: Sidney Hayers
Ep: 15
Angels of Death
Cast: Dinsdale Landen (Coldstream), Terence Alexander (Manderson), Caroline Munro (Tammy), Michael Latimer (Reresby), Richard Gale (Pelbright), Lindsay Duncan (Jane), Pamela Stephenson (Wendy), Annette Lynton (Pam), Moira Foot (Cindy), Christopher Driscoll (Martin), Melissa Stribling (Sally Manderson), Anthony Bailey (Simon Carter), Hedger Wallace (Colonel Tomson), Jennie Goossens (Mrs. Pelbright)
Teleplay By: Terence Feely & Brian Clemens
Directed By: Ernest Day
Ep: 16
The Lion and the Unicorn
Cast: Jean Claudio (Unicorn), Maurice Marsac (Leparge), Raymond Bussieres (Henri), Jacques Maury (Ritter), Raoul Delfosse (Marco), Gerald Sim (Minister), Henri Czarniak (Grima), Jean-Pierre Bernard (1st Bodyguard), Ludwig Gaum (2nd Bodyguard)
Teleplay By: John Goldsmith
Directed By: Ray Austin
Ep: 17
Obsession
Cast: Martin Shaw (Larry), Mark Kingston (General Canvey), Terence Longdon (Commander East), Lewis Collins (Kilner), Anthony Heaton (Morgan), Tommy Boyle (Wolach), Roy Purcell (Controller)
Teleplay By: Brian Clemens
Directed By: Ernest Day
Ep: 18
Trap
Cast: Terry Wood (Soo Choy), Ferdy Mayne (Arcarty), Robert Rietty (Dom Carlos), Kristopher Kum (Tansing), Yasuko Nagazumi (Yasho), Stuart Damon (Marty Brine), Barry Lowe (Mulford), Annegret Easterman (Miranda), Bruce Boa (Mahon), Larry Lamb (Williams), Maj Britt (Girlfriend)
Uncredited: Vincent Wong (Courier)
Teleplay By: Brian Clemens
Directed By: Ray Austin
Ep: 19
K is for Kill, Part 1: The Tiger Awakes
Cast: Pierre Vernier (Colonel Martin), Maurice Marsac (General Gaspard), Charles Millot (Stanislav), Paul Emile Deiber (Toy), Christine Delaroche (Jeanine Leparge), Sacha Pitoeff (Kerov), Maxance Mailfort (Ivan), Sylvan Clement (Vassili), Krishna Clough (Soldier), Kenneth Watson (Salvation Army Major), Tony Then (Monk), Eric Allen (Penrose)
Uncredited: Diana Rigg (Emma)
Teleplay By: Brian Clemens
Directed By: Yvon Marie Coulais
Ep: 20
K is for Kill, Part 2: Tiger By the Tail
Cast: Pierre Vernier (Colonel Martin), Maurice Marsac (General Gaspard), Charles Millot (Stanislav), Paul Emile Deiber (Toy), Christine Delaroche (Jeanine Leparge), Maxance Mailfort (Turkov), Sacha Pitoeff (Kerov), Alberto Simeno (Minister), Jaques Monnet (Waiter), Frank Oliver (Minsky), Guy Mairesse (Guard), Cyrille Mesnard (Secretary)
Teleplay By: Brian Clemens
Directed By: Yvon Marie Coulais
Ep: 21
Complex
Cast: Cec Linder (Baker), Harvey Atkin (Talbot), Vlasta Vrana (Karavitch), Rudy Lipp ( Koschev), Jan Rubes (Patlenko), Michael Ball (Cope), David Nichols (Greenwood), Suzette Couture (Miss Cummings), Gerald Crack (Berisford Holt)
Teleplay By: Dennis Spooner
Directed By: Richard Gilbert
Ep: 22
Hostage
Cast: William Franklyn (McKay), Simon Oates (Spelman), Michael Culver (Walters), Anna Palk (Suzy), Barry Stanton (Packer), Richard Ireson (Vernon), George Lane-Cooper (Marvin)
Teleplay By: Brian Clemens
Directed By: Sidney Hayers
Ep: 23
Forward Base
Cast: Jack Creley (Hosking), August Schellenberg (Bailey), Marilyn Lightstone (Ranoff), Nick Nichols (Malachev), David Calderisi (Halfhide), Maurice Good (Milroy), John Bethune (Doctor), Anthony Parr (Glover), Les Rubie (Harper), Toivo Pyyko (Clive), Ara Hovanessiaan (Czibor), Richard Moffatt (Radio Operator)
Teleplay By: Dennis Spooner
Directed By: Don Thompson
Ep: 24
Emily
Cast: Les Carison (Collins), Richard Davidson (Phillips), Lane Mallet (Miss Daly), Peter Torokvei (Kalenkov), Peter Arkroyd (Mirschita), Brian Petchy (Reddington), Don Corbett (Alkoff), Don Legros (Mechanic), Sandy Crawley (1st Policeman), John Kerr (2nd Policeman), Pat Patterson (3rd Policeman), Bill Ballentine (4th Policeman)
Teleplay By: Dennis Spooner
Directed By: Don Thompson
Ep: 25
Medium Rare
Cast: Jon Fitch (Wallace), Mervyn Johns (Elderly Man), Jeremy Wilkin (Richards), Sue Holderness (Victoria Stanton), Neil Hallett (Roberts), Maurice O'Connell (McBain), Diana Churchill (Dowager Lady), Celia Foxe (Model Girl), Steve Ubels (Young Man at Seance), Allen Weston (Mason)
Teleplay By: Dennis Spooner
Directed By: Ray Austin
Ep: 26
The Gladiators
Cast: Louis Zorich (Karl), Neil Vipond (Peters), Bill Starr (O'Hara), Peter Boretski (Tarnokoff), Yanci Burtovek (Barnoff), Jan Muzynski (Cresta), Michael Donaghue (Hartley), George Chuvalo (Huge Man), Dwayne McLean (Rogers), Patrick Sinclair (Ivan), Doug Lennox (Nada)
