She may be known for her roles in Motherland and Ludwig , but Anna Maxwell Martin has landed a "powerful" yet unexpected part. With the festive season approaching, the actor has landed a Christmas-oriented role.

In collaboration with Action for Children , a charity for which Martin serves as a celebrity ambassador, the actor has a role as an elf in Santaland , a short festive film which aims to shine a "powerful" light on child poverty.

In the short film, Martin's character can be seen fielding questions from a child called Lily regarding Christmas and Santa Claus, with subject matter ranging from Santa's holiday exploits to his acts in the chimney.

As the clip progresses, the elf becomes aware of Lily's situation at home, with the youngster remarking that she is afraid that S

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