**Penelope Allen** is an American character actress, known for her ability to bring intense female characters deeply rooted in reality to life. Her most iconic role was Sylvia, the wife of Al Pacino's character, in Sidney Lumet's *Dog Day Afternoon* (1975), a performance that earned her widespread acclaim.

She continued to distinguish herself in numerous films, often in supporting roles that added depth and authenticity to the narrative. Among her other notable film roles are the hysterical dental patient in *Little Shop of Horrors* (1986), Mrs. Lowe in *Awakenings* (1990), and Mrs. T. in *The Funhouse* (1981).

Allen is recognized for her ability to portray ordinary women, often in extreme or comedic situations. Her performances are characterized by a strong sense of realism, allowing her to range from practical and feisty characters to vulnerable and touching figures, always leaving a memorable mark on screen.