Career: Mills made his film debut in The Midshipmaid (1932) and went on to appear in a number of films, including Goodbye, Mr Chips (1939), before he enlisted in the Royal Engineers at the start of the Second World War. His war was cut short in 1942 by a stomach ulcer. He quickly returned to acting and went on to star in a number of acclaimed films in a career that spanned 70 years. Notable works included Great Expectations (1946), Scott of the Antarctic (1948), The Colditz Story (1954), Ice Cold in Alex (1958), Tunes of Glory (1960), Swiss Family Robinson (1960), Oh! What a Lovely War (1969), Ryan's Daughter (1970), Young Winston (1972), Gandhi (1982) and Hamlet (1996). Among his roles on TV, he starred in Quatermass, Young at Heart, A Woman of Substance and Martin Chuzzlewit. He also appeared in a number of productions on Broadway. He was knighted in 1976. He died on April 23, 2005, at the age of 97.

Career: Gambon became a member of Laurence Olivier's first Royal National Theatre company, and made his movie debut in 1965's Othello, alongside the star. His role in long-running TV show The Borderers led to an audition for James Bond. Parts in such forgettable productions as The Beast Must Die and Nothing But the Night came next. It was The Singing Detective in 1986 that finally made him a star. He's worked steadily ever since in the likes of Maigret, The Cook, the Thief, His Wife and Her Lover, Gosford Park, Doctor Who, Quartet, Sleepy Hollow and Fortitude. He took over playing Dumbledore in Harry Potter following the death of Richard Harris. He's won BAFTA TV awards for Perfect Strangers, Longitude, Wives and Daughters, and The Singing Detective.