Her parents Alia and Abdelbaki Hassouni are Moroccan and moved to the Netherlands a few years before Maryam was born on 21 September 1985 in Amsterdam. She has a younger brother named Zakariya and a sister called Sarra.
In 2002 she started her acting career with the role of Dunya El-Beneni in the television series Dunya and Desi, which was nominated for an International Emmy Award for Children and Young People in 2004 and again in 2005.
List of television series in which Maryam Hassouni performed as an actor:
- Dunya and Desi (2002–2004)
- Shouf shouf! (2006–2007)
- One night stand: Liefde, dank je wel (Short subject: Danyael Sugawara, role: Naïma) (2008)
- Verborgen Gebreken (televisieserie, role: Mouna Chabbar) (2009)
- Flikken Maastricht (serie, role: Rebecca Meeuws, aflevering 'Schuld') (2011)
- Flikken Rotterdam (2016–)
List of films in which Maryam Hassouni performed as an actor:
- Offers (2005) (TV film)
- Blondje (2006) (short film)
- Swink!? (2006) (TV film)
- Kicks (2007)
- Anna (2007) (TV film)
- Anubis en het Pad der 7 Zonden (film, role: Charlotte) (2008)
- Manslaughter (TV film) (2012)
- Soof (2013)
- International Emmy Award for Best Performance by an Actress (2006) for her role Laila al Gatawi in Offers
- Actorbio Dunya: Maryam Hassouni; retrieved November 25, 2006
- Curriculum Vitae Maryam Hassouni, November 21, 2006; retrieved November 22, 2006
- Awards for "Dunya and Desi"; retrieved November 23, 2006
- 34th International Emmy Awards Gala celebrates the world's best television programming, November 20, 2006; retrieved November 21, 2006
- "Maryam Hassouni". Internet Movie Database. Retrieved 2007-05-29.