Episode 20 of Law & Order: Special Victims Unit Season 5 premiered on April 6, 2004, and depicted a twisted tale where some information about Benson's past was also revealed. In the episode, an attorney named Jeffrey York was found dead. It is later revealed that York was also Benson's boyfriend.
In the episode, ADA Casey Novak makes a decision that hampers her position. With the stellar main cast and guest stars such as Bethany Butler, the episode is regarded as one of the fan-favorites. Let's look at the complete cast and character guide of Law & Order: Special Victims Unit, Season 5, Episode 20.
Law & Order: Special Victims Unit Season 5, Episode 20 "Lowdown" cast and character guide

The Episode titled Lowdown of Law & Order: Special Victims Unit, Season 5, starred Mariska Hargitay and Christopher Meloni, among several others in the main cast, and was joined by numerous others in recurring and guest-starring roles.
Here is the cast and character guide of Law & Order: Special Victims Unit, Season 5, Episode 20:
1) Christopher Meloni as Senior Detective Elliot Stabler
Meloni's character, Det. Elliot Stabler is one of the fan-favorite characters from Law & Order: Special Victims Unit. He and Benson look into the case of Jeffrey's death, in which the prime suspect becomes his partner, Andy, another ADA.
Meloni has been part of numerous popular shows such as The Handmaid's Tale, Veep, and True Blood, and many others.
2) Mariska Hargitay as Junior Detective Olivia Benson
Hargitay's Olivia Benson is Stabler's partner. In the Episode titled Lowdown, Benson is revealed to be Jeffrey's former girlfriend, and has to get checked for HIV after the disclosure of Jeffrey being HIV positive. The test also brings Andy into suspicion as he had the same strain of HIV as Jeffrey.
From shows like ER and Falcon Crest to movies such as Lake Placid, Hargitay has been a part of various films and shows.
3) Michael Beach as Bronx A.D.A. Andy Abbott
In Episode 5, Michael Beache's Andy and his wife were at the centre of the case. He was accused of killing Jeffrey and was also accused of having an extramarital affair with Jeffrey behind his wife's back. The SVU squad and ADA Novak used various tactics to convict him of the crime.
Beach is part of acclaimed TV shows such as Mayor of Kingstown, The Perfect Couple, and Tulsa King, among numerous others.
4) Diane Neal as ADA Casey Novak
Neal's character was crucial in the episode as she put in line her job to get the truth out. She revealed to Mary about her husband's affair and HIV diagnosis, and tried to convince her to help her make Andy confess to what he has done. This resulted in disciplinary action taken against her by Andy's lawyers.
Neal has appeared in shows such as Blue Bloods, NCIS, and 30 Rock, among several others.
5) Bethany Butler as Mary Ellen Abbott
Butler portrayed the character of Mary, Andy's wife, in Law & Order: Special Victims Unit, Season 5, Episode 20. She becomes the main part in the case and is used by Novak to get the truth about Jeffrey's death from Andy's mouth.
Butler has appeared in the daily soap As the World Turns and a film called The Killing Floor.
Supporting cast and character guide of Law & Order: Special Victims Unit, Season 5, Episode 20
The supporting cast and character guide of Law & Order: Special Victims Unit, Season 5, Episode 20 are as follows:
The SVU Team:
- Ice-T as Junior Detective Odafin "Fin" Tutuola
- Richard Belzer as Senior Detective John Munch
- BD Wong as FBI Special Agent Dr. George Huang
Other recurring characters:
- Dann Florek as Captain Donald "Don" Cragen
- Tamara Tunie as Medical Examiner Dr. Melinda Warner
- Marlo Thomas as Defense Attorney Mary Clark
- Dean Strange as Jeff York
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