The film takes place from April 24 to April 25, 1916.
Ben Carolan (Noel) and Karl Rice (Tom) acted together previously in the 2014 filming of hit Irish teen coming-of-age musical Sing Street, Ben as the Sing Street Band Manager Darren and Karl as the bass guitarist Gary.
Clare Dunne (Alice Chambers) and Ben Carolan (Noel Chambers) are both cast in the 2021 Irish gangland drama Kin but this time in polar opposite roles: Clare as the dominating gang wife Amanda Kinsella and Ben as the rival gang's assassin Glen Wright who attempts to hunt down and kill Amanda's husband Michael.