Scott Arthur voiced Yukon 9 in the Big Finish Bernice Summerfield audio story Paradise Frost, and Lukas in Gallifrey audio stories Emancipation, Evolution, Extermination and Intervention Earth.
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Scott Arthur voiced Yukon 9 in the Big Finish Bernice Summerfield audio story Paradise Frost, and Lukas in Gallifrey audio stories Emancipation, Evolution, Extermination and Intervention Earth.