An American professor of mathematical probability, Luke Williams, meets an old lady Lavinia Fullerton on a train. She tells him about an uncanny string of deaths in her village and even predicts the next one.
Bill Bixby as Prof. Luke Williams
Lesley-Anne Down as Bridget Conway
Olivia de Havilland as Honoria Waynflete
Helen Hayes as Lavinia Fullerton
Patrick Allen as Maj. Horton
Shane Briant as Dr Thomas
Freddie Jones as Constable Reed
Leigh Lawson as Jimmy Lorrimer
Jonathan Pryce as Mr Ellsworthy
Ivor Roberts as Vicar (see Alfred Wake)
Trevor T. Smith as Rivers
Anthony Valentine as Abbot
Timothy West as Lord Gordon Easterfield
Carol MacReady as Mrs Pierce
Diana Goodman as Rose Humbleby
Frederick Wolfe as Avery
Patrick Wright as Attendant
