Alongside Dano and Radcliffe, Mary Elizabeth Winstead will also headline the feature which begins its productions in July.
The film centers around a hopeless man stranded in the wilderness who befriends a dead body with which he begins a journey to get home.
Daniel Kwan and Daniel Scheinert are directing the film, which was launched at the Sundance Lab, with the Tadmor Group and Cold Iron Pictures co-financing and producing.The directing duo, also known as Daniels, recently won best director at The MTV Music Awards.