Oliver Smith (born 29 May 1952) is an English actor known for his work in the horror genre, particularly for his role as Frank the Monster in Hellraiser, directed by Clive Barker. In this film, Smith portrayed the skinless, reanimated form of Frank Cotton, the main antagonist. The role of Frank in his living form was portrayed by Sean Chapman, while Andrew Robinson played Frank disguised in Larry Cotton’s skin. Smith’s performance, enhanced by extensive makeup and effects by artist Bob Keen, became a significant aspect of the film.

Smith reprised his role as Skinless Frank in the sequel, Hellbound: Hellraiser II, and also portrayed Mr. Browning, a mentally ill patient. He has participated in several documentaries and interviews discussing the films’ production and impact on horror cinema.