Michael Cyril Creighton has carved out a reputation as one of those rare actors who can slip seamlessly between comedy and drama. In acclaimed projects like “Spotlight” and “The Good Wife,” he has found a way of grounding every character in something human and relatable.

Still, for many viewers, he’s best recognized as Howard Morris in Hulu's “Only Murders in the Building,” a quirky cat-loving neighbor whose endearing awkwardness has become a highlight of the series. His popularity even led to a promotion to series regular beginning with season 3.

Now, in the upcoming fifth season set to premiere on September 9, Creighton is stepping into a world that’s a little darker than what audiences might expect.

If you’re new to the hit Hulu series, “Only Murders in the Building” follows three un

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