And though his brand of comedy likely will be new to many HBO viewers, Acaster, who’s also a best-selling author and prolific podcaster, has a sizable following across the pond. In fact ...

Clockwide from top left: 'The Righteous Gemstones,' 'The Rehearsal,' Sharon Horgan, Tim Robinson, Steve Carell and Rachel Sennott HBO/David Levene/Danielle Levitt/Getty/Sela Shiloni The comedy ...