The Talons of Weng-Chiang (1977), and as Colonel Hugh Curbishley in "The Unicorn and the Wasp" (2008). He also played Tardelli in the audio play Grand Theft Cosmos. Most recently, he has returned to play the character of Henry Gordon Jago in a long-running series of audio dramas titled Jago & Litefoot based upon the situation established in The Talons of Weng-Chiang. The role of Petra Williams was given to Sheila Dunn when Kate O'Mara was unavailable to play the part. O'Mara would, years later, be cast as the Rani, a renegade Time Lord. Dunn was the wife of this story's co-director, Douglas Camfield, and had appeared twice before in Doctor Who, in The Invasion (1968) and The Daleks' Master Plan (1965–66). Ian Fairbairn had previously appeared as Questa in The Macra Terror (1967) and as Gregory in The Invasion, and would subsequently feature as Doctor Chester in The Seeds of Doom (1976). Derek Newark (Greg Sutton) had previously played Za in the first ever Doctor Who serial, An Unearthly Child, in 1963. Stuntman Alan Chuntz received a bad leg injury in episode 3 when he was hit by the car Jon Pertwee was driving. Pertwee felt so bad about it that he became ill himself, which threatened to disrupt filming. Broadcast and reception In 2009, Mark Braxton of Radio Times awarded the serial five stars out of five and praised the intense atmosphere, with a "good, scary, cautionary" plot. However, he noted that the Primords were not the best physical design and their relationship to the events was not cleared up. Reviewing the special edition DVD release, Dave Golder of SFX gave the serial four out of five stars. He wrote that the alternate universe plot that was (mistakenly cited as being) added to stretch out the story was "the best thing about it" and the actual plot felt "a little B-movie in comparison, but ... remains a stylish and action-packed slice of Pertwee Who". DVD Talk's Ian Jane rated Inferno three and a half out of five stars, praising the cast and "decent" production values. Jane noted that the story had a slow beginning, but once the pace picked up it became "choice entertainment". In 2008, The Daily Telegraph named Inferno as one of the ten best Doctor Who episodes ever. Charlie Jane Anders of io9 listed the cliffhanger of the sixth episode as one of Doctor Who