Ross Mullan is a Canadian-British actor and puppeteer.
He is mostly known for his work portraying the White Walker on Game of Thrones in its second through fourth seasons. He has appeared in episodes of Doctor Who and in the 2010 film Clash of the Titans. Ross also played Orsino in l, Bath Theatre Royal's production of Twelfth Night, the title role of the Selfish Giant for Leicester Haymarket Theatre and brought the critically acclaimed play Thick from the Edinburgh festival to New York City with sold out performances.
As of 2018 he is teaching animation at University for the Creative Arts, in Farnham.