Greg Davies stars as the imperious Taskmaster, Alex Horne as his long-suffering assistant, while a rotating cast of five celebrity contestants per series attempt bizarre challenges.
Main cast
- The TaskmasterGreg Davies1–18Main
- The Taskmaster’s AssistantAlex Horne1–18Main
Guest & voice
- SelfRoisin Conaty1Guest
- SelfFrank Skinner1Guest
- SelfJosh Widdicombe1Guest
- SelfTim Key1Guest
- SelfRylan Clark1Guest
- SelfJoe Lycett2Guest
- SelfDoc Brown2Guest
- SelfJon Richardson2Guest
- SelfKatherine Ryan2Guest
- SelfRichard Osman2Guest
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About this cast
Taskmaster is a British comedy game show that sees Greg Davies ruling over a series of absurd tasks set by his assistant, Alex Horne. Each series features five well-known celebrities competing to impress the Taskmaster and earn points. First aired in 2015 on Dave before moving to Channel 4, the show has become a cult hit with 18 series to date.
FAQs
Who plays the Taskmaster?
Greg Davies plays the Taskmaster, the authoritarian arbiter of the tasks.
Who plays the Taskmaster’s Assistant?
Alex Horne plays the Assistant, who sets the tasks and is frequently the butt of the joke.
How many series of Taskmaster have aired?
As of 2024, 18 series have aired, plus several specials and a Champion of Champions edition.
Are the contestants real celebrities?
Yes, each series features five well-known comedians, actors or TV personalities competing as themselves.
Is Taskmaster scripted?
No, it is an unscripted comedy panel show where contestants perform pre-set tasks and are judged live by Greg Davies.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026