Richie's character Alfie is in for a shock in the next two episodes as he discovers that wife Kat has been cheating on him for a number of weeks.
Viewers have been left to guess over the identity of Kat's secret boyfriend since June, but the mystery isn't ending anytime soon as neither Alfie nor the EastEnders audience will find out who the individual is this week.
Richie has now told the Daily Star that he thinks Max should be seen as the top suspect.
He said: "They're filming different endings, but I think it's Max. You can't trust him!"
Derek, Jack and Michael are also in the frame along with Max, but one of the four men will be eliminated by the end of the week.
Queen Vic chef Ray Dixon was ruled out of the storyline last month.