Declan Croghan is a British screenwriter known for his work in drama and crime television series. His career is distinguished by his involvement in highly successful productions, where he has contributed complex plots and well-defined characters. He has written episodes for acclaimed series such as *Waking the Dead*, a BBC crime drama that earned him recognition for the psychological depth of its stories. His other notable works include the police procedural *Taggart*, the historical drama *Ripper Street*, and the epic series *The Last Kingdom*, where he developed compelling narratives. His contribution to television has been recognized with major award nominations; in particular, he has received BAFTA Award nominations as part of the writing and production team for both *Waking the Dead* and *Ripper Street*, solidifying his reputation as a leading writer in the British television landscape.