Cast: Gerald Harper (Adam Adamant), Ann Holloway (Georgina Jones), Veronica Strong (Louise / Mr. Smith), Peter Ducrow (The Face), Greville Steel (Sir Robert), Vernon Joyner (Benson), Norman Mitchell (Biley), Michael Latimer (Stephen), Ian Kingsley (Mark), Eric McCaine (Doctor), Mary Hignett (Female Patient), Gordon Gardner (Male Nurse), Frank Tregear (Dominic), Barry Ashton, Norman Claridge (Policemen), Nurse (Maureen Nelson), Jill Nash, Elaine William, Angela Kay, Mary Kay, Paul Lindley, Edward Long, Michael Earl, John Bevaut, Lionel Wheeler, Kenneth Benda, Gordon Faith, Nicholas Brent (Reporters and Party Guests)
Written By: Donald Cotton & Richard Harris
Directed By: William Slater
Note: One of the lost episodes. (As a result of the practice at the time of wiping, a term used to describe the actions of erasing tape for reuse or just destroying them to save storage costs, many of the episodes of this and many other series of the time no longer exist and are considered lost forever.)
Ep: 1
A Vintage Year For Scoundrels
Cast: Freda Jackson (Margo Kane), Ivor Salter (Hoggett), Frank Jarvis (Hicks), Peter Ducrow (Face), Mary Hignett (Patient), Joby Blanshard (Detective), Bartlett Mullins (Gramps), Gordon Faith (Foreigner), Kenneth Benda (Sir James), Antony Ruth (Youth), Tom Macaulay (Bailey), Lionel Gamlin (Benson), John Greenwood (Doctor), Pamela Sholto (Woman), Grania Hayes (Girl), Guy Standeven (City Man)
Written By: Tony Williamson
Directed By: William Slater & David Proudfoot
Ep: 2
Death Has a Thousand Faces
Cast: Jack May (William E. Simms), Stephanie Bidmead (Madam Delvario), Michael Robbins (Jeffreys), Robin John (Travis), Geoffrey Hinsliff (Parky), Sheila Fearn (Susie), Patrick O'Connell (Danny), John Rolfe (Kelvin), Beryl Nesbitt (Waitress), Philip Ryan (Jackson)
Written By: Tony Williamson
Directed By: Philip Dudley
Ep: 3
More Deadly Than the Sword
Cast: Mary Webster (Madame Nagata), Andy Ho (Ikezawa), Barry Lineham (Mc Lennon), Yuri Borienko (Kodama), Maurice Hedley (Sir Ernest Hampton), Margaret Nolan (Sadie), Geraldine Gwyther (Miss Preston), Eva Whishaw (Air Stewardess), Anna May (Secretary), Geoffrey Alexander (Hiram), Mona Chong (Hitomi), Ling Ling (Hanako), Lucille Soong (Suzu), Cecil Cheng (First Guard), Dennis Chin (Second Guard), Jack Barry (First Samurai), Ian McKay (Second Samurai), Derek Ware (Third Samurai)
Written By: Terence Frisby
Directed By: Leonard Lewis
Ep: 4
The Sweet Smell of Disaster
Cast: Jack May (William E. Simms), Charles Tingwell (Benjamin Kinthly), Adrienne Corri (Shani Mathieson), William Hurndell (McLintock), Bryan Kendrick (Sales Manager), David Lander (Advertising Manager), Jack Howlett (Spalding), Peggy Ann Clifford (Caretaker), John Gatrell (Badenoch), Pauline Munro (Girl in Commercial), Neville Becker (Man in Commercial)
Written By: Robert Banks Stewart
Directed By: Philip Dudley
Ep: 5
Allah is Not Always With You
Cast: Jack May (William E. Simms), Jennifer Jayne (Helen), Kevin Brennan (Vargos), John Hollis (Calvert), David Spenser (Ahmed), John Woodnutt (The Sheik), Harry Webster (Raynor), Andrew Andreas (The Croupier), Norman Hartley (Nicky), Nosher Powell (Lukas), Miranda Hampton (Linda), Valerie Stanton (Fluffy), George Tovey (Taxi Driver), Tony Cyrus (The Guard)
Written By: Tony Williamson
Directed By: Paul Ciappessoni
Ep: 6
The Terribly Happy Embalmers
Cast: Jack May (William E. Simms), John le Mesurier (Velmer), Deryck Guyler (Grantham), Jeremy Young (Wilson), Arthur Brough (Mr. Percy), Hamilton Dyce (George), Ilona Rodgers (Susan), John Scott (Sir George Marston)
Written By: Brian Clemens
Directed By: Paul Ciappessoni
Ep: 7
To Set a Deadly Fashion
Cast: Jack May (William E. Simms), Colin Jeavons (Roger Clair), Ruth Trouncer (Mylene), Gwendolyn Watts (Janine), Alister Williamson (Howarth), Bryan Coleman (Major Fitzgibbon), Catherine Lancaster (Lyra), Keith Anderson (Charles), Nancy Nevinson (Oretta), Alan Foss (Leo), Raymond Clarke (Watkins), Fred Windrush (Denny), George Gibson (Frank), Audrey Noble (Mrs. Smythe), Joan Crane (Sandra), Heather Downham (Jacky)
Written By: Tony Williamson
Directed By: Leonard Lewis
Ep: 8
The Last Sacrifice
Cast: Jack May (William E. Simms), William Dexter (Lord Rufus Pearmain), Jennifer Daniel (Esta Canfield), John Dawson (Minister), Robert Macleod (Fowley), Hugh Dickson (James Denton), Glyn Dearman (Statton) Ian Fairbairn (Barber), Kenneth Ives (Huge Man)
Written By: Richard Harris
Directed By: Philip Dudley
Ep: 9
Sing a Song of Murder
Cast: Jack May (William E. Simms), Jerome Willis (Melville), Alex Scott (Carson), Anne Kristen (Felina), Michael Standing (Kinkead), Michael Beint (Inspector), Denis Cleary (Sergeant), John Dunbar (Cashier), James Blake (Chauffeur), Steve Peters (Messenger)
Written By: John Pennington
Directed By: Moira Armstrong
Ep: 10
The Doomsday Plan
Cast: Jack May (William E. Simms), Peter Vaughan (Dr. Mort), Isobel Black (Samantha), Roy Hanlon (Streek), Andrew Robertson (Maddox), Geoffrey Lumsden (Hinchcombe), Kenneth Kendall (BBC Newsreader), John Kidd (BBC Official), Charles Haggith (Myers), Talfryn Thomas (Man With Parcel), Patrick Durkin (Heckler)
Written By: Richard Harris
Directed By: Paul Ciappessoni
Ep: 11
Death by Appointment Only
Cast: Jack May (William E. Simms), Christine Finn (Pamela Wentworth-Howe), Patricia Haines (Sandra Webb), James Cairncross (Charles Fellows), David Garth (Sir Nigel Dee), John Walker (Daniels), Brian Hayes (Caretaker), Edward Palmer (Von Reison), Colin Vancao (Philippe Jervais)
Written By: Tony Williamson
Directed By: Moira Armstrong
Ep: 12
Beauty is an Ugly Word
Cast: Jack May (William E. Simms), Peter Jeffrey (Sinoda), Annette André (Paula), John McKelvey (P.C. Mullins), John Baddeley (Petherbridge), Barry Jackson (Victor), Eddie Stacey (Max), Esmond Webb (Dr. Ryan), John Church (Compére), Roy Stewart (Weightlifter)
Written By: Vince Powell & Harry Driver
Directed By: Philip Dudley
Ep: 13
The League of Uncharitable Ladies
Cast: Jack May (William E. Simms), John Carson (Randolph), Amelia Bayntun (Charity), Gerald Sim (Jarrot), Larry Noble (Harry Marshall), Geraldine Moffatt (Prudence), Sheila Grant (Hope), Lucy Griffiths (Faith), Jean Gregory (Mrs. Lightfoot), Joan Paton (Mrs. Jarrot), Eve Gross (Abstinence), Pauline Loring (Mrs. Winter), Joyce Carpenter (Mrs. Tudor), Betty Cardno (Mrs. Wright)
Written By: John Pennington
Directed By: Ridley Scott
Ep: 14
Ticket to Terror
Cast: Jack May (William E. Simms), Max Adrian (Doctor Klein), Ann Lynn (Miss Caldwell), Michael Barrington (Armitage), Reg Lye (Harold), Jack Bligh (Engineer), Tommy Eytle (George), Jack Barry (Guard), Jane Quy (Susan Denby)
Written By: Dick Sharples
Directed By: Tina Wakerell
Note: Lost episode
Ep: 15
The Village of Evil
Cast: Jack May (William E. Simms), John Bailey (Doctor Craigshaw), Colette O'Neil (Myra Bamford), Christopher Coll (Joe), John Law (Mr. Corbett), Trevor Baxter (Mr. Burke), John Henderson (Vicar), Dinny Powell (Daniel), Len Jones (Jerry Fletcher)
Written By: Vince Powell & Harry Driver
Directed By: Anthea Browne-Wilkinson
Ep: 16
D For Destruction
Cast: Jack May (William E. Simms), Iain Cutherbertson (Colonel Mannering), Michael Ripper (Sergeant Major Jeffers), Patrick Troughton (General Mongerson), John Porter Davison (Private Jones), Walter Sparrow (Colonel Grey), Bryan Mosley (Bailey), Brian Gilmar (Barber), Terry Walsh (Watts), L.W. Clark (Peters), Anthony Blackshaw (Corporal Jenkins), John Hart Dyke (Private Davis), Raymond Hardy (Guard), Michael Sheard (Major)