A group called The Knights Of Avalon are unhappy with the justice system so are taking the law into their own hands by executing criminals using medieval methods such as jousting.

John Mills
as Colonel Bertie Cook

Donald Pleasence
as Sir Giles Marley

Barbara Hershey
as Marion Evans

David Birney
as Sir John Gifford

Peter Cushing
as Sir Edward Gifford

Margaret Leighton
as Ma Gore

Brian Glover
as Sidney Gore

John Savident
as Oliver Griggs

John Hallam
as Sir Roger

Keith Buckley
as Herald