I Know Who You Are (Spanish: Sé quién eres) is a 2000 Spanish-Argentine psychological thriller drama film directed by Patricia Ferreira which stars Ana Fernández and Miguel Ángel Solá along with Roberto Enríquez, Ingrid Rubio, and Manuel Manquiña.

Just settled in Galicia, psychiatric doctor Paloma kindles with Mario, a charming patient who has developed a Korsakoff syndrome in the wake of substance abuse and some moot traumatic event occurred towards 1977 (a key year of the Spanish Transition), being unable to remember anything from that point on.

[2][1] Mario is revealed to be a mercenary and hired executioner,[3] involved in a terrorist attack against military officers investigating the army's anti-democratic pustchist plots from the inside.

[2] The screenplay was penned by Patricia Ferreira and Enrique Jiménez, with the collaboration of Manuel Gutiérrez Aragón, based on an original story by Inés París [es] and Daniela Fejerman.

[2] Ángel Fernández-Santos of El País assessed that Ferreira takes the reins of that "good script" with strength and clarity, "multiplying it" by virtue of her "remarkable filmmaking craft and instincts" and her "exquisite understanding with the actors", who nail their performances.