Professor Canford

'Flash' Harry Cuthbert Edwards

Sergeant Ruby Gates

Culpepper-Brown

Butters

Miss Harker-Parker

Gore Blackwood

Alphonse O'Reilly

Rosalie Dawn

Superintendent Samuel Kemp-Bird

Judge Slender

Major Hargreaves

Miss Brenner

Minister of Education

Defence Counsel

Emir

Army Officer

Army Captain

Liftman

Prosecuting Counsel

Octavius

Tailor

V.I.P.

Chief Constable

WPC Susan Partridge

Usher

Lavinia (uncredited)

Bobbie (uncredited)