Cast of Unknown Caller

10 credited, in billing order.

David Chisum

David Chisumas Colin Miller

Assaf Cohenas Aasim

Louise Griffithsas Jill Miller

Henri Lubattias The Caller

Victor McCayas Service Tech #1

Carla DeFranco

Carla DeFrancoas Reporter #3

Regina Harbour

Regina Harbouras Colin's mother

Anjolie Nieman

Anjolie Nieman

Rose Opengart

Rose Opengartas Fiance

Zachary Opengart

Zachary Opengartas Child