Rosamund John

Anne Maitland, K.C.

Hugh Sinclair

Nigel Stewart

Guy Middleton

Guy Ransome

Henry Edwards

Geoffrey Whitcomb

Terence Longdon

Alan Whitcomb

John Warwick

Inspector Raynor

Brenda De Banzie

Molly Wheeler

Arthur Howard

Charles Vaughan

H.S. Hills

Frank Lindsell

Bruce Belfrage

The Judge

Hélène Burls

Mrs. Brock (as Helene Burls)

Fanny Rowe

Liz (as Frances Rowe)

Bill Shine

Willie

June Mitchell

Secretary

Barbara Shaw

Press Woman

David Scase

Cameraman

Norman Somers

Nigel's Junior

Harry H. Corbett

Policeman in charge cells (uncredited)

Peter Jeffrey

Court reporter (uncredited)