From Wikipedia, the free encyclopedia. Graham McTavish (born 1961) is a Scottish television actor. He has played the character Warden Ackerman in Red Dwarf in five episodes of series 8.

Outlander star Graham McTavish has addressed his hair transformation for the upcoming Starz series Spartacus: House of Ashur, joking that his long-haired wig had him "constantly tossing" his head ...