Stephanie Beacham as Catherine Fengriffen

Peter Cushing as Dr. Pope

Patrick Magee as Dr. Whittle

Herbert Lom as Henry Fengriffen

Ian Ogilvy as Charles Fengriffen

Geoffrey Whitehead as Silas / Woodsman

Guy Rolfe as Maitland

Rosalie Crutchley as Mrs. Luke

Gillian Lind as Aunt Edith

Janet Key as Bridget

Sally Harrison as Sarah

John Sharp as Henry's Friend

Norman Mitchell as Constable

Lloyd Lamble as Sir John Westcliff

Kay Adrian as

David Alan Barclay as

Blake Butler as

Vic Chapman as

Frank Forsyth as Servant

Daniel Johns as (as Daniel Jones)

Hilary Martyn as (as Hilary Martin)

Sylvester Morand as

Beth Owen as

Toni Sinclair as

Elsa Smith as

John Stamp as

Larry Taylor as Bearded Drunk

Rocky Taylor as

Gloria Maley as (as Gloria Walker)

Drew Wood as