<P> From 2013 onwards, he has starred in the BBC series Count Arthur Strong as Michael . He has also appeared in the Channel 4 drama Southcliffe . </P> <P> In December 2013 he appeared as British peer and suspected murderer Lord Lucan in the two - part ITV series Lucan . </P> <P> He also appeared as Frankenstein's monster in the Showtime television series Penny Dreadful, which premiered 11 May 2014 . </P> <P> In 2017 he appeared in the British miniseries Guerrilla as a Chief Inspector in the Special Branches . </P>

Who played frankenstein's monster in penny dreadful
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