Introduced in season 1 Kerry Condon as Stacey Ehrmantraut, Mike's widowed daughter-in-law and the mother of Kaylee Ehrmantraut Faith Healey (season 1), Abigail Zoe Lewis (seasons 2–4) and Juliet Donenfeld (seasons 5–6) as Kaylee Ehrmantraut, Mike's granddaughter Eileen Fogarty as Mrs. Nguyen, owner of a nail salon which houses Jimmy's law office in its utility room Peter Diseth as Deputy District Attorney Bill Oakley Joe DeRosa as Dr. Caldera, a veterinarian with ties to the criminal underworld Dennis Boutsikaris as Rich Schweikart, a partner at Schweikart & Cokely Mark Proksch as Daniel "Pryce" Wormald, a drug company employee who begins supplying Nacho and hires Mike as security Brandon K. Hampton as Ernesto, Chuck's assistant who works at HHM Josh Fadem as Marshall/Joey Dixon ("Camera Guy"), one of the three University of New Mexico (UNM) film students who help Jimmy film various projects Julian Bonfiglio as Phil ("Sound Guy"), one of the three UNM film students Jimmy hires for various film projects Jeremy Shamos and Julie Ann Emery as Craig and Betsy Kettleman, a county treasurer and his wife, accused of embezzlement Steven Levine and Daniel Spenser Levine as Lars and Cal Lindholm, twin skateboarders and small-time scam artists Míriam Colón as Abuelita Salamanca, Tuco's grandmother and Hector's mother Barry Shabaka Henley as Detective Sanders, a Philadelphia cop who was formerly partnered with Mike on the force Mel Rodriguez as Marco Pasternak, Jimmy's best friend and partner-in-crime in Cicero, Illinois Clea DuVall as Dr. Cruz, a doctor who treats Chuck and suspects his electromagnetic hypersensitivity condition is psychosomatic Jean Effron as Irene Landry, an elderly client of Jimmy McGill overcharged by the Sandpiper Crossing elder care home Steven Ogg as Sobchak, a petty crook for hire Introduced in season 2 Ed Begley Jr. as Clifford Main, managing partner at Davis & Main where Jimmy worked during season two Omar Maskati as Omar, Jimmy's assistant at Davis & Main Jessie Ennis as Erin Brill, a lawyer at Davis & Main who is ordered to shadow Jimmy Juan Carlos Cantu as Manuel Varga, Nacho's father who owns an upholstery shop Vincent Fuentes as Arturo Colon, a criminal associate of Hector Salamanca Rex Linn as Kevin Wachtell, chairman of Mesa Verde Bank and Trust and a client of HHM and Kim Cara Pifko as Paige Novick, senior legal counsel for Mesa Verde Bank and Trust and a friend of Kim Ann Cusack as Rebecca