Mary Hopkin: Mary Hopkin. Actress: Very Annie Mary. Mary Hopkin was born in Pontardawe, Wales on 3 May 1950. In her teens she made some modest success as a Welsh folk singer until one day, on 4 May, 1968, one day after her 18th birthday, she appeared on the television talent show Opportunity Knocks (1956), a show which featured talented (and sometimes not-so-talented) up-and-coming show business personalities who competed with one another...