Uwaydah, whom court documents say had a stake in a number of real estate, health care and banking interests, has maintained that he had nothing to do with Redding's murder. Court documents say he fled the U.S. shortly after Park was arrested in 2010 and has been living in Lebanon since.
Uwaydah has not been charged with a crime. The newly filed court motion specifies that prosecutors are "not seeking to prove that [Park] murdered Ms. Redding at the direction of Dr. Uwaydah," only that he instructed Park to intimidate and threaten the young actress.
Redding was found dead when authorities went to her home to check on her well-being on March 16. Her body had "obvious signs of trauma," authorities told ABC News at the time.
"Friends had been trying to contact her," Alex Padilla of the Santa Monica Police Department told ABC News in 2008. "They called her mom, she called our department."
Redding attended Salpointe Catholic High School in Tucson, Ariz., where she played on the golf team. She was taking college courses in California, according to Padilla, after moving to the state to pursue an acting career.
In 2005, she earned a small role in the film "Kathy T Gives Good Hoover," according to the movie's official Web site.