EXCLUSIVE: Peter Elkoff has joined newly ordered ABC/20th Television drama series Alaska, headlined by Hilary Swank, as executive producer and showrunner. For the past two seasons, the seasoned TV writer-producer served as executive producer and co-showrunner on another 20th TV drama series, Fox’s The Resident. Fellow exec producer/co-showrunner Andrew Chapman will be the sole showrunner for the medical drama’s upcoming sixth season.