One of these "wonderful things" was a fan-favourite part in the historical series Downton Abbey, which he left in 2012. Stevens played Matthew Crawley, who was an heir to the titular Downton estate.

Olly Rix will make his debut in the BBC medical drama Casualty on Saturday – and his character is worlds away from Call the Midwife's Matthew ... his roles in Downton Abbey, Cold Feet ...