Pedro Almodóvar often brings a scene or character from his previous film to be reused in his next production. In this case, Victoria Abril would go to star in Kika as another TV journalist.
The pink Chanel dress that Rebecca (Victoria Abril) wears in a part of this film is the same one worn by La Agrado (Antonia San Juan) in "Todo Sobre Mi Madre".
Antonio Banderas turned down the role of Juez Dominguez in order to appear in The Mambo Kings (1992).
Even though she was nominated as Best Supporting Actress for a Goya award, Cristina Marcos has barely 5 minutes of screen time.
Rebeca Giner (Victoria Abril) has a talk with her mother, Becky del Páramo (Marisa Paredes) in prison. The talk refers to the conflicts between daughter and mother referenced in the movie Autumn Sonata (1978) by director Ingmar Bergman. In 2008 Marisa Paredes played the mother in a stage play of Autumn Sonata (1978) on the Teatro de la Zarzuela in Madrid.
Pedro Almodóvar: [red cars] the main characters drive a red car, which features prominently in the plot. In this film is a 1989 Renault 19 TSE Série 1.