Charles Hawtrey

as Studious Youngster (uncredited)

as Thomas Duckett

as Dan Dann

as Mr. Charlie Muggins

as Seneca

as Bert Fitch

as Killer's Laugh (archive audio) (uncredited)

as Private Jimmy Widdle

as Chief Big Heap

as Mr. Eustace Tuttle

as Mr. Barron

as Dr. Francis A. Goode

as Private Peter Golightly

as Terry "Pintpot" Tankard

as Sir Roger de Lodgerley

as Agent Charlie Bind

as Walter Bagley

as Mr. Charles Coote

as Humphrey Hinton

as Walter Sweetley

as Dr. Ernest Stoppidge

as Duc de Pommfrit

as Special Constable Timothy Gorse

as Mr. Michael Bean

as Captain Gerrard Le Pice

as Gabriel Dimple

as Mr. James Bedsop

as Swyne

as Various Characters (archive footage)

as Bill

as Play Director (uncredited)

as Clarence, Duke of Claridge

as Mr. Roper

as Jeweller

as Joshua Yellowlees

as Co-Driver

as Choir Singer / Goose Thief / Angel / Spirit of Christmas Past / Gloria / Buttons

as Max

as Arnold

as Scruffy (office boy)

as Railway Porter

as Disc Jockey

as Percy Thorne

as Woodley

as Septimus

as Lew Rimmel

as Waiter at Pub

as George Crumb

as Art Student

as Young Orton

as Pvt. 'Professor' Hatchett

as Long John Silver / Old Blind Pew / Night Watchman / Nipper the Flipper

as Silas Withering

as Markham

as Cashier

as Adolphus Hayman

as Various Characters (archive footage) (uncredited)

as Dancing Boy Scout (uncredited)

as Man in Hippodrome Audience

as Private 'Professor' Hatchett

as Fisher

as Farr

as Tom

as Mike Atkinson

as Nick

as Billy Hart

as Bit Part (uncredited)

as Charles Martin

as Arthur Figson

as Cashier-Searchlight Operator (uncredited)

as court jester

as Various Characters (archive footage) (uncredited)