- Has a twin sister called Elaine.
- Performed with his sister in a music duo called "Elaine and Derek" from the aged of thirteen - released an album in 1961.
- "Elaine and Derek" became "Odin's People" in 1967 after Larry Johns joined the duo - they released two singles the same year.
- Worked as Stage Manager in The Nonentities Theatre in Kidderminster during the 1960s.
- First appeared on Casualty in 1986.