Sian AltmanSian Altman is an actor.Sian Altman is known for Warhol, Lost Women Spies (2024) and The House of Van Helsing (2023).Movies (5)Graphic Desires (2023)Shades of Desire (2023)Two Is a Family (2016)Jurassic Triangle (2024)Trafficking (2023)Genres Sian Altman works inLGBTQ-relatedcomedy dramafamily