Kit Harington
Robert Catesby (3 eps)
Mark Gatiss
Sir Robert Cecil (3 eps)
Edward Holcroft
Thomas Wintour (3 eps)
Tom Cullen
Guy Fawkes (3 eps)
Peter Mullan
Father Henry Garnet (3 eps)
Liv Tyler
Anne Vaux (3 eps)
Derek Riddell
King James I (3 eps)
Shaun Dooley
Sir William Wade (3 eps)
Robert Emms
Father John Gerard (3 eps)
Daniel West
Thomas Percy (3 eps)
Luke Neal
Jack Wright (3 eps)
Luke Broughton
Thomas Bates (3 eps)
David Bamber
Lord Northumberland (3 eps)
Pedro Casablanc
Constable of Castille (3 eps)
Hugh Alexander
Sir Philip Herbert (3 eps)
Simon Kunz
Lord Howard (3 eps)
Josh Moran
George Farwell (3 eps)
Richard Glover
Slater (3 eps)
Philip Hill-Pearson
Sir Everard Digby (3 eps)
Andy Lucas
De Tassis (3 eps)
Kate Wood
Susan Whinniard (3 eps)
Tom Sweet
Young Robert Catesby (3 eps)
Louis Hannan
Villager (Uncredited) (3 eps)
Karl Haynes
Bald Drinker (3 eps)
Matthew Neal
Kit Wright (1 eps)
Sean Rigby
Lord Monteagle (1 eps)