Lyle & Erik Menendez are currently serving life behind bars for murder, but their defense believes a letter might just be their ticket to freedom.

Netflix tapped some big-time actors to tell the story of Lyle and Erik Menendez. Here's who's who in Monsters.

From the mind of Ryan Murphy, the new Netflix series will take viewers through the notorious American murders with a star-studded cast including Chloe Sevigny, Javier Bardem, Ari Graynor, Dallas Roberts, and Nathan Lane. Lyle will be played by Hollywood newcomer Nicolas Alexander Chavez, while Cooper Koch will take on the role of Erik.

The whole cast, including Nathan Lane, Ari Graynor, and frequent Murphy collaborator Leslie Grossman, all appeared on the red carpet at the L.A. premiere of the new Netflix series.

Ryan Murphy is bringing the infamous story of Lyle and Erik Menendez to Netflix. The second installment of 'Monsters' will be released on Netflix on September 19, and the star-studded cast reunited for the premiere of the series at the Egyptian theater in Los Angeles.

The brothers argued that the killing of José and Mary Louise "Kitty" Menendez was a result of years-long abuse. They were convicted of first-degree murder and sentenced to life in prison.

The Lyle and Erik Menendez Story" tells the story of two brothers who killed their parents in the 1980s.

No, we’re actually not talking about O.J. Simpson, but rather the Menendez brothers, whose infamous murders are fictionalized in Netflix’s new Monsters: The Lyle and Erik Menendez Story. The run of nine episodes is the second season in the Monster true crime anthology series from creators Ryan Murphy and Ian Brennan.