<Li> Michael Mando as Ignacio "Nacho" Varga, a criminal associate for Tuco and member of Tuco Salamanca's gang . </Li> <Li> Michael McKean as Charles Lindbergh "Chuck" McGill, Jr., Jimmy's elder brother, a partner of Howard at Hamlin, Hamlin & McGill who allegedly suffers from electromagnetic hypersensitivity . </Li> <Ul> <Li> Jeremy Shamos as Craig Kettleman, a county treasurer accused of embezzlement . </Li> <Li> Julie Ann Emery as Betsy Kettleman, Craig's wife, also accused of embezzlement . </Li> <Li> Kerry Condon as Stacey Ehrmantraut, Mike's widowed daughter - in - law and the mother of Kaylee Ehrmantraut . </Li> <Li> Faith Healey as Kaylee Ehrmantraut, Mike's granddaughter . </Li> <Li> Eileen Fogarty as Mrs. Nguyen, owner of a nail salon which houses Jimmy's law office (and home) in its back room . </Li> <Li> Peter Diseth as Bill Oakley, a deputy district attorney . </Li> <Li> Omid Abtahi as Detective Abbasi </Li> <Li> Joe DeRosa as Dr. Caldera, a veterinarian who serves as Mike Ehrmantraut's liaison to the criminal underworld . </Li> <Li> Dennis Boutsikaris as Rick Schweikart, the attorney for Sandpiper Crossing . </Li> <Li> Brandon K. Hampton as Ernesto, Chuck's assistant who works at HHM . </Li> <Li> Josh Fadem as Joey Dixon, a film student that helps Jimmy film various projects . </Li> <Li> Julian Bonfiglio as Sound Guy, a film student that helps Jimmy film various projects </Li> <Li> Steven Levine and Daniel Spenser Levine as Lars and Cal Lindholm, twin skateboarders and small - time scam artists . </Li> <Li> Mel Rodriguez as Marco Pasternak, Jimmy's best friend and partner - in - crime in Cicero, Illinois . </Li> <Li> Jean Effron as Irene Landry, an elderly client of Jimmy McGill overcharged by the Sandpiper Crossing . </Li> </Ul> <Li> Jeremy Shamos as Craig Kettleman, a county treasurer accused of embezzlement . </Li>

What did the kettlemans do in better call saul