In this family, murder is relative.
The Stepsister(1997)
The Stepsister
A young psych major uses her wits to expose the deadly intentions of her father's new bride and the woman's conniving daughter.
Cast
Rena Sofer
Darcy Canfield Ray
Bridgette Wilson-Sampras
Melinda Harrison
Richard Joseph Paul
Dr. Victor Ray
Donnelly Rhodes
Professor Jeffrey Thurston
Don S. Davis
Detective Church
Alan Rachins
Dr. Derek Canfield
Linda Evans
Joan Curtis Shaw Canfield
Charles Siegel
Skolsky
Alexander Pollock
Brian Harrison
Lynda Boyd
Margaret 'Maggie' Curtis
Freda Perry
Sheila
Tosca Baggoo
Officer Sanders