The Gravediggers (The Avengers)

"The Gravediggers" is the second episode of the fourth series of the 1960s cult British spy-fi television series The Avengers, starring Patrick Macnee and Diana Rigg. It was first broadcast by Scottish Television on Tuesday 5 October 1965. ABC Weekend Television, who commissioned the show, broadcast it in its own regions four days later on Saturday 9 October. The episode was directed by Quentin Lawrence, and written by Malcolm Hulke.

Plot
Steed and Emma visit a railway buff to investigate a deathly plot to sabotage the country's early warning radar defence systems.

Cast

 * Patrick Macnee as John Steed
 * Diana Rigg as Emma Peel
 * Ronald Fraser as Sir Horace Winslip
 * Paul Massie as Johnson
 * Caroline Blakiston as Miss Thirlwell
 * Victor Platt as Sexton
 * Charles Lamb as Fred
 * Wanda Ventham as Nurse Spray
 * Ray Austin as Baron
 * Steven Berkoff as Sager
 * Bryan Mosley as Miller
 * Lloyd Lamble as Dr. Hubert Marlow
 * Aubrey Richards as Dr. Palmer (uncredited)

Location
The Stapleford Miniature Railway near Melton Mowbray, Leicestershire was where Emma Peel was filmed tied to the railway track.