After mining his own personal history to great acclaim in Baby Reindeer , Richard Gadd joked that for his next project, he “kind of ran out of a few things to draw upon.” But while Half Man is wholly fictional, there a lot of him in it. “I wanted to sort of challenge myself in a different realm,” he explained during the Deadline Contenders TV panel for the HBO six-part limited series. “I think every piece of work is sort of autobiographical to a certain extent, because it’s always borrowed from a writer’s sort of view of the world or how they see characters, the human traits, human behaviors.” Gadd definitely was looking for an opportunity that was as immersive as Baby Reindeer , and similarly he wrote, produced and starred in Half Man . “I like to be across everything. I mean, it’s all-consuming. When I do a show, I’ve done two shows back-to-back in the space of like six years.…