EXCLUSIVE: Kate McKinnon and Andy Samberg have joined the cast of Jay Roach’s The Roses, starring Olivia Colman and Benedict Cumberbatch. Ncuti Gatwa, Sunita Mani, Zoë Chao, Jamie Demetriou and Belinda Bromilow are also rounding out the cast of the film, which starts production this month. Written by Tony McNamara , The Roses is a reimagining of the 1989 classic ‘The War of the Roses,’ based on the novel by Warren Adler.