Mariló Muñoz was born in Seville. She grew up performing in local amateur theatre productions and attending drama schools and dance classes. Following a break into the teaching profession as a swimming coach, she has now returned full time to her acting career.

She also has real life experience of working  as a lifeguard, a swimming and synchronized swimming judge, a hostess, a foreign language interpreter (Russian, English, Spanish) and a number of other varied jobs. She also has a reasonable conversational skill in French.

She has performed a number of different roles in short and feature films, with genres ranging from drama to comedy.

Film credits as an actress include: Tres días. El verano de la roca (2007), Moscow zero (2006), El Héroe (2005), Crimen Ferpecto (2004), El contrato (2004), and a large number of student short films. Film credits as an extra include: 7 Vírgenes (2004), Quince días contigo (2004), Astronautas (2003), and La Duquesa Roja (1995).

Television credits as an extra/actress include: Morancos 007 (2007), Vista Pública (2007), and Salud al día (2007).