Plötzlich Schwester
She plays the warm but overwhelming new half-sister Sandy.[1]
Cosima Henman is a German actor who plays Sandy in the 2026 ZDF comedy Plötzlich Schwester and detective Ela in Behringer und die Toten.
Henman's 2026 roles pair an impulsive newly discovered half-sister with an energetic investigator in RTL's Bamberg crime films.
Plötzlich Schwester streamed from 13 July and aired on ZDF on 6 August 2026.
She plays the warm but overwhelming new half-sister Sandy.[1]
Sandy discovers a half-sister and throws herself into the other family's wedding plans.[1]
ZDF streamed the film first from 13 July and scheduled the linear broadcast in August.[1]
Her screen career started with the football film Teufelskicker and continued into adult television roles.[5]
Henman was born in Cologne and is based in Berlin.[5]