Dead Man's Switch is a Big Finish Productions audio drama featuring Lisa Bowerman as Bernice Summerfield, a character from the spin-off media based on the long-running British science fiction television series Doctor Who.

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Benny continues to fight to get home, but what is so important about the world of Zordin? What is trying to escape from there?

• Bernice Summerfield - Lisa Bowerman
• Matka - Maria McErlane
• Otek - William Whymper
• Robot - Alex Mallinson

• This is the final Bernice Summerfield audio with artwork by Adrian Salmon, and the final audio to use the old numbering system. Starting with The Kraken's Lament the brand is rebooted, though it is a continuation of the same story.

• - Professor Bernice Summerfield: Dead Man's Switch

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