Matthew Holness stars as Garth Marenghi, Richard Ayoade as Dean Learner, and Matt Berry as Todd Rivers, in this satirical horror comedy.
Main cast
- Dr. Rick Dagless M.D. / Garth MarenghiMatthew HolnessMain
- Dr. Lucien Sanchez / Dean LearnerRichard AyoadeMain
- Dr. Todd Rivers / HimselfMatt BerryMain
- Madeleine Wool / Meredith HensonAlice LoweMain
Supporting cast
- The NarratorMatthew HolnessSupp
- Liz AsherAlice LoweSupp
- Thor the JanitorGraeme RoseSupp
Guest & voice
- JimStephen BurgeGuest
- BillJim HowickGuest
- Woman (voice)Louise ManifoldVoice
- Various voicesMark ParkerVoice
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About this cast
Garth Marenghi’s Darkplace is a 2004 British horror parody television series created by Matthew Holness and Richard Ayoade. It is presented as a Rediscovered ‘lost’ 1980s hospital drama, complete with deliberately poor production values, with the main cast playing both their characters and fictional versions of themselves.
FAQs
Who plays Rick Dagless in Garth Marenghi’s Darkplace?
Matthew Holness plays Dr. Rick Dagless M.D., as well as the fictional author Garth Marenghi.
Who plays Dean Learner in Garth Marenghi’s Darkplace?
Richard Ayoade plays Dean Learner, the hospital administrator, and also the fictional publisher of Garth Marenghi.
How many seasons of Garth Marenghi’s Darkplace are there?
Only one season, consisting of six episodes, was produced.
Where can I watch Garth Marenghi’s Darkplace?
The series is available on DVD and is occasionally streamed on services like All 4 in the UK.
Who plays Todd Rivers in Garth Marenghi’s Darkplace?
Matt Berry plays Dr. Todd Rivers, and also appears as himself in the documentary-style interviews.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026