Jimmy Hanley
— Nicholas 'Garble' Diabolus, Budgenot, Works Foreman / Machinist
Robin Bailey
— The Judge
John Glen
— Prosecuting Counsel
Frank Tickle
— Defending Counsel
Ewan Roberts
— Victor Skyway
Harry Herbert
— Ephraim Oldman
Erik Chitty
— Sterling Silver
Leslie Weston
— Works Manager
Bunny May
— Nicholas Junior
Edward Lexy
— Clootie
Jim Watts
— Doug