Long after being deserted by her husband, Linda Harrison will soon be free to marry her lover, Michael Carteret. But when her husband suddenly reappears, he attempts to blackmail the couple with a threat of ruining Michael's career. When her husband is murdered, Michael appears to be the only obvious suspect - but will the circumstantial evidence be enough to sentence him to death?
Rona Anderson
as Linda Harrison
Patrick Holt
as Michael Carteret
John Arnatt
as Steve Harrison
John Warwick
as Pete Hanken
Frederick Leister
as Sir Edward Carteret
Ronald Adam
as Sir William Hanson QC
June Ashley
as Rita Hanken
Ballard Berkeley
as Det. Insp. Hall
Leonard White
as Det. Sgt. Davey
Lisa Lee
as Gladys Vavasour
Peter Swanwick
as Charlie Pott
Roy Russell
as Dick
