André Morell as Walter Venable

Barbara Shelley as Beth Venable

William Lucas as Jacob Venable

Freda Jackson as Clara, the Maid

Conrad Phillips as Michael Latimer

Richard Warner as Edgar Venable

Vanda Godsell as Louise Venable

Alan Wheatley as Inspector Rowles

Andrew Crawford as Andrew

Catherine Lacey as Ella Venable

Kynaston Reeves as The Grandfather

Rodney Burke as Workman (uncredited)

Vera Cook as The Mother (uncredited)

Angela Crow as The Daughter (uncredited)

John Dearth as Constable Hamer (uncredited)

George Doonan as Ambulance Man (uncredited)

Peter Evans as Constable (uncredited)

Henry Kendall as The Doctor (uncredited)

Howard Knight as The Son (uncredited)

Charles Stanley as Dobbins (uncredited)

Fred Stone as Ambulance Man (uncredited)

Kevin Stoney as Father (uncredited)