Soaps
The Australian star will be reunited with former co-star Anne Charleston for his final scenes as Harold Bishop.
The soap will be going live to commemorate its 40th anniversary next year.
Corrie veteran Helen Worth announced last month that she was leaving the cobbles after 50 years.
Gail Platt won't be leaving the cobbles quietly, though.
We definitely didn't see that coming...
Millie plays the Fifteenth Doctor's new companion Ruby Sunday – but soap fans may well already recognise her.
The award-winning actor was best known for his long-running performance as Jimmy Corkhill.
The actor had been told his brain cancer was terminal last year.
Could they be the mystery character who is murdered in the Queen Vic on Christmas Day?
Countless actors cut their teeth on the drama.