Générique complet
The Unusual Inventions of Henry Cavendish
Hugh O'Conor
Mr. Henry Cavendish
Fiona O'Shaughnessy
Miss. Catherine Palmerston
Shaun Boylan
Hon. Salacious Sommerfield Smythe
Frank Kelly
Mr. Thomas Palmerston
Anna Nugent
Miss. Sarah Palmerston
EF
Eileen Fennell
The Aunt
Ned Dennehy
Mr. Sommerfield Smyth's Man Servant
Serena Brabazon
Miss Emille Carson
EW
Eoin Whelan
Mr. Palmerston's Butler
Conor McMahon
Newspaper boy
