Where can I watch Zeta for free?

Watch Zeta free in HD on Castle. Download the Castle App to stream the full movie with Hindi, English audio — no subscription, no signup needed.

What languages is Zeta available in?

On Castle, Zeta is available in Hindi, English, all in HD.

Mario Casas stars in Zeta, alongside Mariela Garriga and Luis Zahera in lead roles.

When was Zeta released?

Zeta was released on 2026-03-20, and is now streaming free on Castle.

Is the Castle App safe to download?

Yes. The Castle APK is a verified safe file. It requires only basic Android permissions and does not need root access. Compatible with Android 6.0 and above.

Zeta

2026•134 minIMDB N/A

Directed by the film's creative team and brought to life by Mario Casas, Zeta (2026) unfolds in Spain as Mario Casas faces A Spanish spy must track down a former spy involved in an undercover mission decades ago, while a Colombian agent is also after him. Secrets from the past are uncovered.. Co-starring Mariela Garriga, this Thriller feature delves into thriller, delivering Thriller that keeps audiences engaged from opening scene to final frame.