Robert Morley as Oscar Wilde

Ralph Richardson as Sir Edward Carson

Phyllis Calvert as Constance Wilde

John Neville as Lord Alfred Douglas

Dennis Price as Robert Ross

Alexander Knox as Sir Edgar Clarke

Edward Chapman as Marquis of Queensberry

William Devlin as Solicitor-General

Robert Harris as Justice Henn Collins

Henry Oscar as Justice Wills

Martin Benson as George Alexander

Wilton Morley as Cyril Wilde

Stephen Dartnell as Cobble

Ronald Leigh-Hunt as Lionel Johnson

Martin Boddey as Inspector Richards

Leonard Sachs as Richard Le Gallienne

Tom Chatto as Clerk of Arraigns