can you name some of the most acclaimed stage productions he has acted in?
A Scent of Flowers, Macbeth, Othello
Ian McKellen
After four years in regional repertory theatres he made his first West End appearance, in "A Scent of Flowers", regarded as a "notable success". In 1965 he was a member of Laurence Olivier's National Theatre Company at the Old Vic, which led to roles at the Chichester Festival. With the Prospect Theatre Company, McKellen made his breakthrough performances of Richard II (directed by Richard Cottrell) and Marlowe's Edward II (directed by Toby Robertson) at the Edinburgh festival in 1969, the latter causing a storm of protest over the enactment of the homosexual Edward's lurid death.

In the 1970s and 1980s McKellen became a well-known figure in British theatre, performing frequently at the Royal Shakespeare Company and the Royal National Theatre, where he played several leading Shakespearean roles, including the title role in "Macbeth" (which he had first played for Trevor Nunn in a "gripping...out of the ordinary" production, with Judi Dench, at Stratford in 1976), and Iago in "Othello"
who plays gandolf in lord of the rings Sir Ian Murray McKellen what was his debut movie? A Touch of Love
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Ian McKellen [SEP] Theatre
McKellen made his first professional appearance in 1961 at the Belgrade Theatre, as Roper in "A Man for All Seasons", although an audio recording of the Marlowe Society's "Cymbeline" had gone on commercial sale as part of the Argo Shakespeare series. After four years in regional repertory theatres he made his first West End appearance, in "A Scent of Flowers", regarded as a "notable success". In 1965 he was a member of Laurence Olivier's National Theatre Company at the Old Vic, which led to roles at the Chichester Festival. With the Prospect Theatre Company, McKellen made his breakthrough performances of Richard II (directed by Richard Cottrell) and Marlowe's Edward II (directed by Toby Robertson) at the Edinburgh festival in 1969, the latter causing a storm of protest over the enactment of the homosexual Edward's lurid death.