Petra Massey is a British actress, and a physical theatre performer in stage, film and television. Petra is best known for playing the "enhanced human" Sandstrom in the BBC2 sci-fi comedy series Hyperdrive from 2006 to 2007, and as one of the four members of the international comedy and physical theatre company Spymonkey. She studied a BA (Hons) in Performing Arts at Middlesex University, and trained with Philippe Gaulier and John Wright in London.