The Good Sister follows a couple who is working to put their crumbling marriage back together, when the wife receives a letter informing her that she has a long-lost twin sister. First thinking that the new family member will bring the couple closer together, the husband then begins an affair with the sister and discovers that she is treacherous and dangerous.

Genres

Cast

Sonya Walger

Kate / Linda

Ben Bass

Jack McLennan

Bobbie Phillips

Mrs. Nelles

Ashleigh Harrington

Cassie

Alarey Alsip

Deb

Michael Hearn

Walberg

Noel Burton

Langler

Simon Anthony

Police Officer

Yanik Ethier

Guy

Lyriq Bent

Investigator

Kathleen Glynn de Santiago

Mother (as Kathleen Glynn)

Art Hindle

Bill