Pickering got his first acting role at the of age 8 appearing in "Oliver Twist" as the Artful Dodger in a community playhouse in Garforth, Leeds. He appeared in numerous productions with this amateur company, St Marys Youth Theatre in shows such as Jesus Christ Superstar, West Side Story. Aswell as the amateur company in Leeds, Marc was also a member of the Northern Theatre Company in Hull. This is where he trained in Jazz and Tap. He continued to take part in shows such as Chicago, Rocky Horror Show, The King and I, Little Shop of Horrors, Oklahoma and many more. During his time at Northern theatre, where he continued to take part in productions until he left for drama school, he got accepted into the National Youth Music Theatre. At the age of 10 he traveled up country every year for 4 years performing at the Edinburgh Fringe Festival. The shows with NYMT included Tin Pan Ali, The Ragged Child, Wizard of OZ and Bugsy Malone which ended up getting a transfer to the Queens Theatre in London, making it Marcs West end Debut. He then Got offered the part of Young Masbath in Sleepy hollow with Johnny Depp and Tim Burton. The producers of the film got in touch with ICM who have been his agent now for 8 years. Marc then went back to school to do his GCSEs and continued to perform for the Northern Theatre company. He then went to College and did his A levels. During College he filmed Calendar Girls and the Queen of Shebas pearls. Marc then went to the Guildford School of Acting and Graduated in July 2006. Since then he continues to performed in Television, Film and Stage.