Supporting cast was headed by Sarah Hadland, Lawry Lewin and Dominique Moore.
Notable guest stars are indicated in the episode in which they appear, or in the case of recurring roles, on first appearance.
"Ready Steady Feast": German wartime food substitutes (parody of Ready Steady Cook). Captain Black Bart lists off his rules to the new recruits. Gorgeous Georgians: Special guest Meera Syal is the storyteller of Twisted Fairytales: "The Three Little Pigs" (window tax). Song: Terrible Tudors: "The Wives of Henry VIII: Divorced Beheaded & Died". Savage Stone Age: "Historical Hospital": Tattoo and trepanning treatments.
Savage Stone Age: Stone Age Tool Set (advertisement). Caveman Art Show: Preserving the head of a dead relative.
Twisted Fairytales: "The Princess and the Pea" (eliminating rivals to the throne) Terrible Tudors: "This Is Your Reign": King Henry VIII reunites with his friends, advisors and wives--too bad he's had most of them executed (parody of This Is Your Life). Twisted Fairytales: "The Frog Prince" (witchcraft). The Middle Ages (Witch)Craft Show demonstrates how accusations can also be used to get revenge. "Historical Wife Swap": The Miserables, a Puritan family, swap with Cavalier family the Merrys post-Restoration (parody of Wife Swap). A paranormal researcher attempts to locate the source of a haunting in "Anglo-Saxon Ghost Hunt" (parody of Ghost Hunt). Groovy Greeks: "Historical Hospital": Hippocrates demonstrates his unorthodox diagnostic techniques.
Vicious Vikings: Top Three Weird Viking Beliefs: the origin of the first man and woman, who holds the sky up and the story of Thor searching for his stolen hammer (partially animated). Vile Victorians: "Ready Steady Feast": Dr William Buckland, famed eater of weird things--including the preserved heart of a king. Frightful First World War: TNT Hair Dye (advertisement). Alexander the Great and his adviser Hephaestion debate whether or not to name yet another city Alexandria.
Awful Egyptians: King Pepi II's Super Sticky Anti-Fly Honey Slave (advertisement).
Imagine spot: An over-entitled pharaoh insists on the invention of the pyramid. Sketches: Wicked Witches: Let a random old lady take the blame for your bad luck with Witchfinder's Direct (infomercial). Sketches: Smashing Saxons: "Saxon East Enders" finds a ruler trying to mediate a family feud via the new Weregeld law (parody of East Enders).
The starring troupe over all five series consisted of Mathew Baynton, Simon Farnaby, Martha Howe-Douglas, Jim Howick, Laurence Rickard and Ben Willbond, some combination of whom appear, with very rare exceptions, in every live-action sketch; their voices can also be heard in the animated sketches.Awful Egyptians: A picky widow chooses a mummification style for her husband. Evil Elizabeth and Horrid Henry the 8th: Elizabeth I's habit of nicknaming her courtiers. Sketches: Awful Egyptians: Pharaoh Phashion magazine offers beauty tips for peasants and aristocrats (advertisement). Ruthless Rulers: Louis XI and the Pig Piano, with special guest Simon Cowell (animated).Measly Middle Ages: HHTV News: taking a census for the Domesday Book.This was the first series where none of the main original cast were present.A full seventh series is due to air in 2017, each episode themed.