Horror Hunks: Topher Grace in Delirium (2018)

Topher Grace starred in the recent horror thriller Delirium. He played Tom, a man released from a mental institution on house arrest. He moves into his wealthy parents' home which he has inherited since their deaths. While there, strange occurrences soon have him believing that the house may be haunted. Topher's character takes advantage of the luxurious pool inside the estate, leading to several shirtless scenes as he hits the water in his underwear. He does eventually ditch his undies for a swim, but the camera avoids showing any nudity.