The Man Who Changed His Mind

Boris Karloff

Dr. Laurence

Anna Lee

Dr. Clare Wyatt

John Loder

Dick Haslewood

Frank Cellier

Lord Haslewood

Donald Calthrop

Clayton

Cecil Parker

Dr. Gratton

Lyn Harding

Prof. Holloway

Clive Morton

Journalist

D.J. Williams

Landlord

Vincent Holman

Mr. Gray

Charles Rolfe

Police Constable

Bryan Powley