He starred in Frequently Asked Questions About Time Travel a comedy sci-fi film with Chris O'Dowd, Marc Wootton and Anna Faris, ITV drama Married Single Other with Ralf Little and Miranda Raison, the BBC mini-series Cranford as a poor man struggling to feed his six children and wife, and in Robin Hood as Robin's father, Malcolm.
Despite their own disagreements, the fairy rulers of the woods around Dream Park, Titania (Sharon Small) and Oberon (Lennie James), have a duty to ensure a happy ending, so Oberon gets Puck (Dean Lennox Kelly) — portrayed as a sort of magical wide boy — to try to sort things out with "love juice" eyedrops, while Oberon and Theo discuss their marriages.
Dean Lennox Kelly as Dom, Howard and Eve's misogynistic co-worker and Howard's eventual best man.
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He also played a small role in the 2006 Debbie Isitt wedding film Confetti as a best man, Snoopy, and has completed filming Frequently Asked Questions About Time Travel, a science fiction comedy film with Chris O'Dowd, Dean Lennox Kelly and Anna Faris, which was released in UK cinemas on 24 April 2009.