How old was Mark Mackner in…

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Mark Mackner was ? in Daisy Derkins and the Dinosaur Apocalypse as 'Silas Killington'.

Movie Released: Sun, Nov 14 2021

Mark Mackner was ? in Camp Blood 666 as 'Ari'.

Movie Released: Thu, Sep 01 2016

Mark Mackner was ? in The Half-Life Horror from Hell or: Irradiated Satan Rocks the World! as 'Gash Ghastly'.

Movie Released: Sun, Oct 26 2014

Mark Mackner was ? in Evil Brew as 'Silas Killington'.

Movie Released: Thu, Jul 12 2012

Mark Mackner will be 0+ in Die, Daisy, Die! as 'Prf. Dieter von Deathray'.

Movie Released: Unreleased

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages