Michael Tarn is best known for playing Pete in Stanley Kubrick'sfilm A Clockwork Orange. He was the only actor in the gang who was a true teenager (16–17 years) at the time of production. The others were in their mid to late-20s. Subsequently, he appeared in John Mackenzie's film Made (1972), and had lead roles in It's A Lovely Day Tomorrow, directed by John Goldschmidt, and the name role in Zigger Zagger, directed by Ron Smedley.
After guest appearances in a succession of TV series he was cast in Where There's Brass for Yorkshire Television. He made a few brief appearances over the next 20 years including Crimewatch, The Knock,and the final one in 2000 when he played the part of Vic in "Shooters" for Coolbean Productions, directed by Colin Teague and written by and starred in by Louis Dempsey and Terence Howard with Emily Watson, Gerard Butler, amongst a host of other well known British actors.