Co-Starring: George Roderick (Mario), Donald Churchill (Dr. Sprague), Norman Mitchell (Mr. Smith), John Kelland (Gilbert), Howard Douglas (Ticket Collector), Clemence Bettany (Chemist)
Screenplay By: Jack Sanders
Directed By: Michael Truman
Ep: 2
The Latin Touch
With Guest Star: Alexander Knox (Hudson Inverest)
Co-Starring: Doris Nolan (Maude Inverest), Bill Nagy (Tony Unciello), Warren Mitchell (Marco), Peter Illing (Inspector Buono), Marie Burke (Signora Unciello), Suzan Farmer (Sue Inverest), Robert Easton (Benson), Carroll Simpson (Maria), Anita Sharp Bolster (Ada Harmer), Charles Irwin (Eddie Harmer), Roy Patrick (Georgio), David Calderisi (Vittorio), Tony Arpino (Warder)
Screenplay By: Gerald Kelsey & Dick Sharples
Directed By: John Gilling
Ep: 3
The Careful Terrorist
With Guest Star: David Kossoff (Herman)
Co-Starring: Peter Dyneley (Nat Grendel), Percy Herbert (Hoppy), Allan Gifford (Inspector Fernack), Sally Bazeley (Jenny Hallam), Gary Cockrell (Lester Boyd), Robert Ayres (Clinton), Nicholas Stuart (Dr. Grant), Dorinda Stevens (Verna), George Sperdakos (Ricci), Jared Allen (Telephone Repair Man), Clay Johns (Floor Manager)
Screenplay By: Gerald Kelsey & Dick Sharples
Directed By: John Ainsworth
Ep: 4
The Covetous Headsman
With Guest Star: Barbara Shelley (Valerie North)
Co-Starring: Eugene Deckers (Inspector Quercy), George Pastell (Georges Olivant), Esmond Knight (Antoine Louvois), Robert Cawdron (Sergeant Luduc), Carole Gray (Josie Claval), Josephine Browne (Madame Duras), Michael Spear (Kaplan), Andre Boulay (Mario), Natalie Benesch (Matron), Barbara Roscoe (Air Hostess)
Screenplay By: John Roddick
Directed By: Michael Truman
Ep: 5
The Loaded Tourist
With Guest Star: Barbara Bates (Helen Ravenna)
Co-Starring: Edward Evans (Fillipo Ravenna), Guy Deghy (Oscar Kleinhaus), Joseph Cuby (Alfredo Ravenna), Norman Florence (Carlo Visconti), Michael Ritterman (Galen), John Dearth (Inspector Coudot), Andrew Sachs (Jacques), Raymond Ray (Butler), David Cargill (Garcia), John Gray (Bellhop)
Screenplay By: Richard Harris
Directed By: Jeremy Summers
Ep: 6
The Pearls of Peace
Co-Starring: Dina Paisner (Consuelo), Erica Rogers (Joss Hendry), Bob Kanter (Brad Ryan), Robin Hughes (Harry Tiltman), John Barrard (Pedlar), Warren Stanhope (Mike Harris), Frank Olegario (Bartender), Hugh Futcher (Delivery Boy), Steven Scott (Hotel Clerk)
Screenplay By: Richard Harris
Directed By: David Greene
Ep: 7
The Arrow of God
Co-Starring: Elspeth March (Lucy Wexall), Ronald Leigh Hunt (Herbert Wexall), Honor Blackman (Pauline Stone), Tony Wright (John Herrick), Anthony Dawson (Floyd Vosper), Anne Sharp (Janet Blaise), Gordon Tanner (Arthur Gresson), John Arnatt (Major Fanshire), John Carson (Astron), Alec Mango (Dr. Rahn), Thomas Baptiste (Police Sergeant), Pearl Prescod (Hotel Maid), Hazel Futa (Maria)
Screenplay By: Julian Bond
Directed By: John Paddy Carstairs
Ep: 8
The Element of Doubt
Co-Starring: David Bauer (Carlton Rood), Alan Gifford (Inspector Fernack), Margaret Vines (Agnes Yarrow), Bill Nagy (Joe Sholto), Ken Wayne (Gilroy), Anita West (Mary Hammond), Robert O'Neil (Willis Burnham), Stella Bonheur (Miss Donaldson), Graydon Gould (Stan Johnson), Basil Howes (Judge), Alistair Williamson (Dibs Brown), John Bloomfield (Court Clerk), Sarah Brackett (Nurse), Victor Chenet (Jury Foreman)
Screenplay By: Norman Borisoff
Directed By: John Ainsworth
Ep: 9
The Effete Angler
With Guest Star: Shirley Eaton (Gloria Uckrose)
Co-Starring: George Pravda (Clinton Uckrose), Patrick McAllinney (Patsy O'Kevin), Paul Stassino (Vincent Innutio), Jack Gwillim (Superintendent Marsh), Roland Brand (Dan Morrow), Kevin Scott (Des), Gladys Taylor (Housekeeper), Ronald Wilson (Hotel Bartender)
Screenplay By: Norman Borisoff
Directed By: Anthony Bushell
Ep: 10
The Golden Journey
Co-Starring: Erica Rogers (Belinda), Stella Bonheur (Joan West), Paul Whitsun-Jones (Woodcutter), Roger Delgado (Hotel Manager), David Lawton (Guardia Civile), Richard Montez (Head Waiter), Ricardo Cortes (Guitarist)
Screenplay By: Lewis Davidson
Based on the original story by: Leslie Charteris
Directed By: Robert S. Baker
Ep: 11
The Man Who Was Lucky
Co-Starring: Eddie Byrne (Lucky Joe Luckner), Delphi Lawrence (Cora), Campbell Singer (Inspector Teal), Vera Day (Jane), Harry Towb (Marty O'Conner), Charles Houston (Eddie Toscelli), Nicholas Selby (Bailey), John Forbes Robertson (Sergeant Stevens), Jack Taylor (Frank), John Sullivan (Harry), Dickie Owen (Cab Driver)
Screenplay By: John Gilling
Based on the original story by: Leslie Charteris
Directed By: John Gilling
Ep: 12
The Charitable Countess
With Guest Star: Patricia Donahue (Countess Rovagna)
Co-Starring: Nigel Davenport (Aldo Petri), Warren Mitchell (Marco de Cesari), Anthony Newlands (Father Bellini), Philip Needs (Franco), Anthony Jacobs (Enrico Vespa), Marie Burke (Princess de Ribes), Irene Prador (Signora Vespa), Victor Rietti (Count Alzerno), Neville Becker (Doctor), Loretta Parry (Angelina), Hugo De Vernier (Butler)
