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| Alethea Charlton (1932 - 1976) |
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| Thriller: Someone at the Top of the Stairs (1973) [Mrs. Oxhey]: Killed (off-screen) by David de Keyser, some time before the episode begins; it's revealed towards the end of the episode that the real Alethea and all the other boarding-house tenants have been dead all along, and that the ones we've been seeing are only creations of David's psychic powers. |
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