On 12 March 2015, Kieran Bew was cast in the series to play the title role;[5] other cast included William Hurt, Joanne Whalley, Ed Speleers, David Ajala, Ian Puleston-Davies, Ellora Torchia, Gísli Örn Gardarsson, Susan Aderin, Kirsty Oswald, Laura Donnelly, Edward Hogg, Alex Price, Jack Rowan, and Itoya Osagiede.

[6] Additional casting was announced on 19 August 2015, including Joe Sims, Lee Boardman, David Bradley, Ace Bhatti, and Grégory Fitoussi.

Positive reviews have garnered approval for the plot, creature mythology, and writing, with one television critic praising the series for its set design and special effects.

Esquire stated that the show "seems determined to remain true to source material, which involves a lot of glowering, growling and stomping around.

"[12] Ed Power of The Telegraph said of the show, "Cheap-looking special effects, a bland hero and barely any resemblance to the source material makes this Beowulf a flop.