Antonio Mercero Juldain (7 March 1936 – 12 May 2018) was a Spanish director of the television series Verano azul and Farmacia de guardia.

He is best known as the director of a 1972 surrealist short horror film titled La cabina, which won an Emmy Award.

His 1998 film A Time for Defiance was entered into the 21st Moscow International Film Festival where it won the Special Silver St.

[2][3] He died on 12 May 2018 in Madrid at the age of 82 after a battle against Alzheimer's.

This biographical article related to film in Spain is a stub.