Christos Callow was born in Athens in 1955. He studied vocal music at the National Conservatory in Athens and theatre at the Katselis Drama School. In 1979 he was given the part of Archbishop Ansnan in Jesus Christ Superstar. Callow appeared in numerous TV series including Granada Television's production of Lord Elgin and Some Stones of No Value. In 1990, he was selected to represent Greece at the Eurovision Song Contest in Zagreb with the song "Horis Skopo" (Without Purpose). The song was placed 19th out of 22 entries. He was also a candidate in the greek Eurovision finals in 1987 (3rd) and in 1988 (unknown result).
- Simon Barclay (2010). Eurovision Song Contest - The Complete & Independent Guide 2010. Simon Barclay. p. 90. ISBN 978-1-4457-8415-1. Retrieved 13 February 2011.