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My Mom Jayne Makes Tribeca Debut as Mariska Hargitay Reveals Father’s Identity

Set to air on HBO June 27, the film examines Jayne Mansfield’s legacy through Mariska Hargitay’s recollections of her childhood crash alongside the revelation of her biological father

Mariska Hargitay attends the "My Mom Jayne: A Film By Mariska Hargitay" premiere during the 2025 Tribeca Festival.
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Overview

  • My Mom Jayne premiered June 13 at Carnegie Hall during the Tribeca Festival with Mariska Hargitay joined by family, Law & Order colleagues and stars such as Cher, Jamie Lee Curtis and Liam Neeson
  • The feature marks Hargitay’s directorial debut under her Mighty Entertainment banner and follows limited theatrical engagements before its HBO and Max debut
  • Hargitay confirms in the documentary that her biological father is singer Nelson Sardelli, overturning decades of assuming Mickey Hargitay held that role
  • Through candid interviews and archival footage, the film recounts how three-year-old Mariska was accidentally left under a car seat after Jayne Mansfield’s fatal 1967 crash
  • The documentary weaves rarely seen Mansfield recordings into Mariska’s personal journey of healing and uncovering family truths