Ernest Clark

Captain Ellis - 'Suffolk'

Outer Party Announcer

Lord Hunter

Air Vice-Marshal The Hon. Ralph Cochrane G.B.E., K.C.B., A.F.C.

Maine

Dr. Warren

Beauchamp

Harold Grove

Under Secretary

Prison Governor

Cmdr. Geoffrey Digby

Roper

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Wing Commander Beiseigel

Dr. Parrish

Sir Basil Smeeton

Col. Balsom

French Police Inspector (uncredited)

Prof. Crankshaw

Air Marshal

Police Doctor

Stryver

Abbot

Prosecutor at First Dreyfus Trial

Bishop's Secretary

Colonel Drew

Cmdr. Bates

Hammond

Minister

F. G. Fielding

Councilman

Chairman

Hatche's Father

Chorus

Dr. Pembury

Major Adbury

Cracknell

Roberts

Mr. Harvey

Marshall

Vaudeville Act

Earl of Aldershot's solicitor

Barrister

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Sir George Noble

Councillor Albert Parker

Stockbroker

Father (Voice)

Ashton

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Pritchard

Finch McComas

Inspector MacAndrew

Duke of Mannerton

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Mr. Hayes

Sir Charles Anderson

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Commander Trickett

Frederick

The Dean, The Very Reverend Lionel Pugh-Critchley

The Professor

Mr. Huntley

Professor Loftus

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Professor Geoffrey Loftus

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Sir Philip Wentworth

The Man