The second season of Doctor Whois right around the corner. The BBC has revealed new information about Cassio, the character who will be portrayed by Christopher Chung. Cassio will bump into the titular and Belinda Chandra (Varada Sethu) during a very dangerous situation. Like everything related to upcoming episodes of Doctor Who, Cassio’s origin story and his role in the series remain a mystery. Christopher Chung was cast in the acclaimed show thanks to his performance as Roddy Ho in Slow Horses. The impactful Apple TV+ drama recently launched its fourth season, with two more installments set to be released in the near future.