Complex sentence: He rose to prominence in the UK in the 1960s with a starring role in the groundbreaking television drama "Cathy Come Home", but had previously appeared in "Coronation Street" and had played Terry Mills in the series Taxi with Sid James (1963).
Split into simpler sentences: He rose to prominence in the UK in the 1960s with a starring role in the groundbreaking television drama "Cathy Come Home", but had previously appeared in "Coronation Street". Played Terry Mills in the series Taxi with Sid James (1963).