"I lost my mother when I was three years old, and I grew up in a house of people dealing with the tragedy in their own way," the 'Law & Order: SVU' star said at the 18th annual Hope For Depression Research Foundation seminar.

For 25 years, Mariska Hargitay has played the tough but empathetic Olivia Benson on Law & Order: Special Victims Unit, helping survivors of sex-related crimes confront their trauma (while solving their cases,

Mariska Hargitay opened up about the loss of her mother, Jayne Mansfield, and the trauma she experienced. She highlighted the significance of healing, therapy, and the support she receives through her own foundation.