Castle alum Stana Katic, Sarah Megan Thomas (Equity), and Radhika Apte (Padman) are set to star in an untitled female-driven WW II spy drama set to begin principal photography this spring. Linus Roache (Batman Begins) and Rossif Sutherland (River) also have been cast in the project, based on the real-life spies in Winston Churchill’s “secret army”, from Thomas and Lydia Dean Pilcher (Queen of Katwe).

The film centers on British intelligence officer Vera Atkins, played by Katic, and two of the women she sends to France as spies, Virginia Hall (Thomas) and Noor Inayat Khan (Apte). Atkins is a crafty recruiter with a secret of her own. Hall is a daring American with a wooden leg who was the first female field agent and ultimately the spy the Nazi’s dubbed “the most dangerous of all,” and Khan is a pacifist of Indian descent who was the first female wireless operator. These civilian women form a sisterhood while entangled in missions to turn the tide of the war.

Thomas wrote the screenplay and will produce with Lydia Dean Pilcher (Queen of Katwe) who is set to direct.

Katic, who played Kate Beckett for eight seasons on ABC’s Castle, stars in Sony Pictures Television Networks’ thriller drama series Absentia, which is currently streaming on Amazon. Her feature credits include CBGB, Big‪ Sur, The Spirit, Feast of Love, The Double and Bond franchise installment Quantum of Solace.

Thomas’ latest film, Equity, which she co-wrote, produced and starred in, premiered at at the 2016 Sundance Film Festival and was bought by Sony Pictures Classics. She also starred opposite James Van Der Beek in the feature Backwards.

Apte recently starred in the hit Bollywood film Padman and will star opposite Dev Patel in Michael Winterbottom’s upcoming feature The Wedding Guest.

Thomas is repped by Bresker Kelly, Leigh Brillstein Management and Nelson Davis. Katic is repped by Gersh, Principal LA, and Nelson Davis. Apte is repped by Curtis Brown.