The Glasgow-born actor was cast in Grange Hill after attending a London stage school from the age of nine where he studied alongside EastEnders' stars Patsy Palmer and Sid Owen. After appearing briefly in an ITV sitcom called Now and Then (1983), Alford landed the role in Grange Hill (1978) at the age of 11. But the young actor found fame too tough to handle and started drinking heavily. By the time he left the show at the age of 17 he had reportedly spent up to £80,000 on alcohol and gambling. John, most famous for his role of young fireman …