Inferno
Broadcast May 9 - June 20, 1970
UNIT have been assigned to provide security for an experimental operation, nicknamed the Inferno. The Doctor is also present as a UNIT observer but is secretly siphoning off power.[1]
| No of Episodes[2] | First Broadcast[2] | Writer(s)[2] | Script Editor(s)[2] |
|---|---|---|---|
| Seven | May 9 - June 20, 1970 | Don Houghton | Terrance Dicks |
| Director(s)[2] | Producer(s)[2] | ||
|---|---|---|---|
| Douglas Camfield Barry Letts (uncredited) | Barry Letts |
| Episodes[3] | |||
|---|---|---|---|
| Episode One, broadcast March 21, 1970 | Episode Two, broadcast March 28, 1970 | Episode Three, broadcast April 4, 1970 | Episode Four, broadcast April 11, 1970 |
| Episode Five, broadcast April 18, 1970 | Episode Six, broadcast April 25, 1970 | Episode Seven, broadcast May 2, 1970 | |
Notable Cast[2] | |||
|---|---|---|---|
 Doctor Who - Jon Pertwee |  Liz Shaw / Section Leader Elizabeth Shaw - Caroline John |  Brigadier Lethbridge-Stewart / Brigade Leader Lethbridge-Stewart - Nicholas Courtney |  Sergeant Benton / Platoon Under Leader Benton - John Levene |
| Guest Cast Members[2] | |||
|---|---|---|---|
| Sir Keith Gold - Christopher Benjamin | Petra Williams - Sheila Dunn | Greg Sutton - Derek Newark | Private Latimer - David Simeon |
| Private Wyatt - Derek Ware | Harry Slocum - Walter Randall | Bromley - Ian Fairbairn | |
