He is a hitman who does work for the organized crime boss Ben Diamond.
- Main article: Season 1
He is hired to kill Judi Silver after she witnesses the abduction of Mike Strauss. He mistakes Myrrna Shapiro for Silver when she poses as her to cover one of her appointments. He kills Shapiro and the client.
He makes another attempt on Silver, this time posing as her client and abducting her from the Atlantis Lounge of the Miramar Playa Hotel. He is interrupted by Ike Evans before he can kill Silver. Ike pretends to be there to bargain for her life but attacks Jimmy once his guard his down. He beats him to death and stuffs his body in the boot of his car, before dumping the vehicle in the quarry.
His body is discovered when the authorities dredge the quarry and Ike is later arrested for the murder.
|Season 1 appearances|
|"The Year of the Fin"||"Feeding Frenzy"||"Castles Made of Sand"||"Atonement"|
|"Suicide Blonde"||"The Harder They Fall"||"Who's The Horse And Who's The Rider?"||"Time and Tide"|