serials. Instead of a title overlay, after the "Doctor Who" logo has faded, the screen shifts to a solid background containing four inversely coloured rectangles aligned down the left-hand side (reminiscent to an old-style computer punched card). The title, one syllable at a time, scrolls upwards—"THE", "WAR", "MACH", "INES"—with a final flash displaying the complete title on two lines. Another flash reveals the writer, the next flash reveals the word "EPISODE", and the final flash shows the actual episode number. All of the lettering displayed in this titling sequence is shown in a typeface based on the numeric E-13B font that was then in common use for magnetic ink character recognition. Each of the four episodes' title sequences have slight variations to them. The decision to set more episodes on present-day Earth was taken because the producers felt that the audience was becoming bored with the purely historical episodes that had been a major element of the show to date. As a result, this story marks the beginning of the turn away from historical stories. The next two historical stories, The Smugglers (which immediately follows The War Machines) and Season 4's The Highlanders, were to be the last purely historical stories until Season 19's Black Orchid. This story is also one of the very rare instances where The Doctor is referred to as "Doctor Who" by a character in the story, aside from when intended to be comical. Casting Sandra Bryant appeared in The Macra Terror, as did John Harvey. John Rolfe later played Sam in The Moonbase and Fell in The Green Death. Frank Jarvis later played Ankh in Underworld and Skart in The Power of Kroll. Michael Craze provided the voice of a policeman heard in Episode four. WOTAN received a credit as "And WOTAN" at the end of the first three episodes, the only time a fictional character was credited as itself in the series. Jackie Lane's contract expired midway through production of this story. She does not appear again after episode two; Dodo's off-screen departure is relayed to the Doctor by Polly. The BBC newsreader Kenneth Kendall appeared as himself. Similarly the voice of radio announcer Dwight Whylie is also heard. Mike Reid who was later known as a comedian and for his role as Frank Butcher in EastEnders appeared as an extra. Recovery of the missing episodes Aside from its soundtrack (recorded off-air by fans),