Torchwood
Cast and Crew List: J
- Peter J. Hammond (crew in 2 episodes, e.g. Writer in Small Worlds)
- A. J.Tannen (cast as Government clerk in Rendition)
- Joelle Elizabeth Jacoby (cast as Excited Teenager in The Categories of Life)
- Shaheen Jafargholi (cast as Danny in Greeks Bearing Gifts)
- Christopher James (cast in 2 episodes, e.g. Press Officer in Children Of Earth: Day One)
- Nicky James (crew as Location Manager in Kiss Kiss, Bang Bang)
- Paul James (cast in 5 episodes, e.g. Noah Vickers in The New World)
- Martin Jarvis (cast as Fitzroy in The Devil and Miss Carew)
- Carla Jeffery (cast as Teenage girl in The New World)
- Peter Jeffreys (crew as Dubbing Mixer in Day One)
- Liz Jenkins (cast in 2 episodes, e.g. Rachel in The Categories of Life)
- Juanita Jennings (cast as Bisme Katusi in Escape to L.A.)
- Celyn Jones (cast as Gary in Random Shoes)
- Gareth Jones (cast as Security Guard in Fragments)
- Geraint Havard Jones (crew in 3 episodes, e.g. Unit Manager in Ghost Machine)
- Llinos Wyn Jones (crew in 2 episodes, e.g. Continuity in Everything Changes)
- Marie Jones (crew in 3 episodes, e.g. Visual Effects in Everything Changes)
- Mark Lewis Jones (cast as John Ellis in Out of Time)
- Matt Jones (crew as Writer in Dead Man Walking)
- Ria Jones (cast as Pushy Woman in The Categories of Life)
- Russell Jones (cast as Policeman in End of Days)
- Ruth Jones (cast as Nikki Bevan in Adrift)
- Ciaran Joyce (cast as Smiler in Captain Jack Harkness)
- Julia Joyce (cast in 5 episodes, e.g. Holly Frobisher in Children Of Earth: Day One)
- Cush Jumbo (cast in 5 episodes, e.g. Lois Habiba in Children Of Earth: Day Four)
- Clint Jung (cast as Male professor in The New World)