Richard Gadd bulked up for Half Man role to 'get away' from Baby Reindeer character Baby Reindeer star Richard Gadd gained nearly 100lbs for his latest show Half Man to distance himself from the award-winning Netflix series. 30 April 2026 Richard Gadd gained almost 100lbs before filming his new series Half Man. Richard Gadd transformed himself physically for Half Man The Baby Reindeer star plays Ruben in the hard-hitting new drama and explained that he bulked up for the part in a bid to "get away" from Donny Dunn, his alter ego in the award-winning 2024 Netflix show.