Matthew Perry’s assistant, Kenneth “Kenny” Iwamasa, was sentenced to 41 months in prison on Wednesday for his role in the actor’s fatal ketamine overdose, according to People.
Los Angeles Judge Sherilyn Peace Garnett ordered Iwamasa, 60, to pay separate fines of $10,000 and $100 and be on supervised released for two years.
He must report to prison by July 17, per People.
Ahead of the sentencing, prosecutors asked Garnett to sentence Iwamasa to three years and five months behind bars.
Meanwhile, Iwamasa’s lawyers said in a court filing he was merely doing his employer’s bidding and had a “particular vulnerability” in his relationship to Perry where he couldn’t “simply say no” to the late actor.
In a victim impact statement, Perry’s sisters, Madeline and Caitlin Morrison, accused Iwamasa of “repeatedly” injecting Perry with ketamine and leaving him “to die” in his hot tub in October 2023.
The pair claimed that Iwamasa allegedly lied to Perry’s relatives about what occurred the day he died at his Pacific Palisades, California, home.
Madeline also slammed Iwamasa for speaking at Perry’s funeral in November 2023.
In her own letter to the judge, Perry’s mother, Suzanne Morrison, accused Iwamasa of failing at his job of being Perry’s “companion and guardian in his fight against addiction.”
“We trusted a man without a conscience, and my son paid the price,” Suzanne shared.
Lisa Calio, a former employee of Perry’s, claimed in a letter of her own that Iwamasa drove around in Perry’s car after his death.
Perry had hired Iwamasa in 2022, paying him $150,000 a year to live at his Los Angeles home and act as his assistant.
The “Ally McBeal” actor, who battled drug addiction, was on “ketamine infusion therapy” leading up to his passing.
Iwamasa injected Perry with illegal doses of the drug “without medical training,” which resulted in Perry’s death at age 54.
Four others were charged in connection with Perry’s death: Dr. Mark Chavez, drug counselor Erik Fleming, “Ketamine Queen” Jasveen Sangha and Dr. Salvador Plasencia.
Chavez, who admitted to helping distribute ketamine to Plasencia, was ordered to eight months on house arrest in December 2025.
That same month, Plasencia, who illegally supplied the ketamine to Perry, was sentenced to 30 months in prison.
Sangha, the convicted drug dealer who prosecutors called “The Ketamine Queen,” was sentenced to 15 years in prison in April..
As for Fleming, he was sentenced to two years with an additional three years of supervised release earlier this month for distributing the ketamine that caused Perry’s fatal overdose.
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