List of Kat &amp; Alfie: Redwater characters
Alfie Moon is played by Shane Richie. The character originally appeared in the soap opera "EastEnders" from 2002 to 2005, and 2010 to 2016. Before his departure from "EastEnders", he discovers he has a mass on his brain. Of Alfie's part in "Redwater", Richie said, "Alfie's journey is to help his wife find her son but at the same time he has his own dark secret which he's keeping." Richie later said, "For the first time in 15 years, [Alfie] questions himself as a father, a husband and as a life, it feels like it's coming to an end for him. [...] Alfie starts getting hallucinations and one in particular is quite harrowing."
Michael Moon (EastEnders)
Although Michael leaves Walford when he is rejected by Kat, he returns to see his son, Tommy. Shepherd told "Buzz" magazine that Michael has feelings for Kat but respects the fact she is married, though finds it hard to resist temptation. When Alfie sees Kat kissing Michael, he feels embarrassed and shocked, but also concerned about Alfie and Kat's marriage, which Shepherd said shows a new side to Michael. Michael is attracted to Roxy but does not want to be tied down. However, after going on a date with Roxy, Shepherd said that Michael likes her no-nonsense, feisty nature and her wild side, adding that they make a good couple. Kirkwood said that "Roxy's a little girl lost and Michael could be the worst possible man for her. But how long will it take her to realise that?"