The life of a newlywed couple is interrrupted by a strange neighbor. Hayley Mills, Gary Collins, Joyce Carey, David Warbeck, Jeremy Bulloch, Jonathan Elsom, Ronald Mayer, Barrie Fletcher, Richard Beaumont, Candida Brown

A college professor has an affair with a student and kills his wife, but then he receives blackmail letters from someone who claims to know what he did. Patrick O'Neal, Angharad Rees, Michael Kitchen, Gerald Sim, Gary Watson, Patricia Donahue, Terry Wright

A man investigates the disappearance of his brother at a country house. Jenny Agutter, George Chakiris, Anton Diffring, Russell Hunter, John Sharpe, Stephen Greif, Peggy Sinclair, John Atkinson, Barry James, Raymond Mason, Sue Robinson, Peter Casillas, Peter Elliott

A con man posing as a butler, with the help of his girlfriend posing as a maid and a disreputable doctor, poisons his employer, a wealthy widow. Michael Jayston, Nyree Dawn Porter, Barry Nelson, Thorley Walters, Janet Key, Victor Winding, Clare Sutcliffe, Richard Oldfield

A young playboy hires an eccentric husband and wife team of private detectives to investigate the murder of his tycoon father. Gayle Hunnicutt, Stephen Rea, Jean Kent, Christopher Cazenove, Peter Dyneley, Derek Francis, Frances Bennett, Shirley Cain, Oliver Smith, Arthur White, James Appleby, Sally Miles, Francis Mortimer, Gilly Flower

A young woman schemes to marry a wealthy businessman by becoming his secretary. Francesca Annis, Patrick Allen, Moira Redmond, Edward Judd, Gerald James, Barry Stanton, James Bate, Sheila Fearn, Jackie Tong, John Arnatt, Leon Eagles, Jeremy Pearce, Carmen Blanck, Alan Bennion, Sonia Graham, Lisa Young, Jimmy Gardner, Stuart Nichol

A popular member of the Oxford community is killed, and nobody can think why, so a police inspector is called in from Scotland Yard, and discovers they may be more to the victim than met anyone's eye. 'Who Killed Lamb?' is a one off play from Yorkshire TV which has no connection with Thriller but was transmitted immediately after 'Sign It Death' in the second series schedule and was billed and fully networked as an episode of the classic ATV series. An American actor is featured, along with scripted Americanisms like "janitor" While it bears a similar running time [65 minutes], it uses a standalone title scene and theme music. This was quite a prestigious and well-received production at the time.

A serial killer who marries and then murders rich older women falls in love with a beautiful young woman he meets at a health resort, but he must have one more victim before he settles down with her.

After an actress who plays a nun in a TV series meets a strange fan, several cast members meet with fatal or near-fatal accidents.

The grieving parents of a recently deceased soldier are visited by a man claiming to be their son's best friend, but he is not all that he claims to be.

A young woman's friend disappears from a country hotel, but no one, including the police, believes her.

A businessman claims that he's being framed for his wife's murder and hires a private detective to investigate the case.

The psychopathic twin brother of an architect escapes from prison and goes on a killing spree.

A scientist invites three students to help him with his new study, which involves mind control of criminals.

A gambler is kidnapped by a deranged tycoon who believes himself to be the greatest gambler in the world and eliminates all of his opponents.

An opera singer accidentally kills her husband who has suddenly shown up after a 10-year absence, but his body disappears.

A young woman investigates the disappearance of her boyfriend from a strange motel.

A young woman who has a psychic connection with her boyfriend looks for him in a hippie commune whose members claim that he never arrived.

Two female tourists become involved with criminals who are chasing a man recently released from prison who knows the whereabouts of stolen money.

A woman confined to a wheelchair is terrorized by a sadistic killer.

While a couple vacations in London, the husband begins to act strangely, calling his wife "Theresa," and they become involved in espionage. Paul Burke, Polly Bergen, Dinsdale Landen, Basil Henson, Vernon Dobtcheff, Meriel Brooke, William Job, Roger Hume, Larry Taylor, Betty Woolfe, Neville Phillips, Ted Richards, John Caesar

A woman who has been in a car accident and has amnesia believes that she has committed murder and turns herself into the police. Richard Johnson, Zena Walker, Donald Gee, Ronald Radd, Robert Dorning, Christina Greatrex, Anthony Boden, David Lampson

When a jazz pianist, while playing a recital, hears the voice of the man who years before blinded him and killed his wife in a bank heist, he tries to find the man.

While her husband is away, the wife of a private detective investigates a murder case.

A couple moves into a sinister old country house, and the husband is taken over by strange forces. John Carson, Joanna Dunham, Hilary Hardiman, Athol Coats, James Cossins, Richard Aylen, Jack Galloway, Mary Ann Severne