Hartswood Films gynhyrchodd y ffilm ar gyfer Sky Studios, ac fe’i cefnogwyd gan Cymru Greadigol. Fe'i ffilmiwyd yng Nghymru mewn lleoliadau ledled y De, gan gynnwys Amgueddfa Genedlaethol Sain Ffagan, Gorsaf Reilffordd Treftadaeth Gwili ac yn Seren Stiwdios yng Nghaerdydd.
Produced by Hartswood Films for Sky Studios, the production is supported by Creative Wales, and was shot in Wales at locations across south Wales including St Fagans National Museum, Gwili Heritage Railway Station and at Seren Stiwdios in Cardiff.