He appeared in eight films directed by his close friend Richard Lester: Help! (1965), A Funny Thing Happened on the Way to the Forum (1966), How I Won the War (1967), The Bed Sitting Room (1969), The Three Musketeers (1973), 18 Stunden bis zur Ewigkeit (1974), The Four Musketeers (1974) and The Return of the Musketeers (1989).