Mariska Hargitay has been the face of Law & Order: SVU for over 25 years now, and built a strong legacy because of it.
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Whatever Mariska Hargitay did worked, because she is certainly considered to be one of the best of of network television and is the longest-running actor in the Law & Order franchise.
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Throughout the long-running Law & Order franchise, many actors have come and gone, with very few sticking around for 20+ years.
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Law & Order: SVU is continuing its 26th season in the 2025 TV schedule, although it has yet to be renewed for Season 27.