Griffyn is an actor in mainstream theatre, as well as experimental & devising projects. He works on a wide variety of shows, but often specialises in transgender and LGBTQ stories and experiences. 

Griffyn most recently appeared in Hir, by Taylor Mac, at the Bush Theatre

Notable appearances include Teddy Ferrara, directed by Dominic Cooke, at the Donmar Warehouse. Griffyn has also worked at the Lyric Hammersmith and the Bush Theatre. Additionally, he has worked with The Last Leg, Milk Presents, Royal Exchange, Chris Goode & Company, Ponyboy Curtis, Outbox Theatre, and more. He trained at the graduate level at the Royal Central School of Speech and Drama.

Griffyn is represented by John Rogerson, of the Soundcheck Agency.

He is looking to continue his work into more developed TV and Film pursuits, in addition to pursuing his theatre career. 

Griffyn is developing a new show called Riottt Thing. This is a flare, a subtweet, a half-drunk manifesto, a zine come to life. It’s all the slippery things between the necessity of feminism and the end of the gender binary. We’re all looking for a rumpus to join – this is just the start. Most recently, it debuted at Camden People's Theatre, receiving rave reviews. Keep an eye out for updates