Guest Stars Mare Winningham as Diane Mallum Will Chase as Michael Friedman Phillipa Soo as Amber Collins Ray McKinnon as Jerry Mallum Brendan Patrick Connor as Howard Udell Ian Unterman as Jonathan Sackler Raúl Esparza as Paul Mendelson Lawrence Arancio as Raymond Sackler Andrea Frankle as Beth Sackler Jaime Ray Newman as Kathe Sackler Jake McDorman as John Brownlee Cleopatra Coleman as Grace Pell Winsome Brown as Theresa Sackler Walter Bobbie as Mortimer Sackler Alan Campbell as Dr. Paul Goldenheim Linda Powell as Karen Moles Rebecca Wisocky as Cynthia McCormick Meagen Fay as Sister Beth Davies Kenneth Tigar as Arthur Sackler Adam Grupper as Purdue Lawyer Amy Rutberg as Alice Fisher Brian Keane as Curtis Wright Co Starring Deadra Moore as Karen Johnson R. Keith Harris as Martin Willis Andres Erickson as Mortimer D.A. Sackler Morgan Brown as Gregg Wood Alayna Hester as Elizabeth Ann McClung Deja Dee as Stephanie Mountcastle Paden Fallis as Louis Melton Serena Ebhardt as Sue Ella Kobak Van Zee Vince Pisani as David Gauvin Anthony Reynolds as Sheriff Travis Smith as Eric Miller Ray Dooley as Dr. Art Van Zee Kenny Alfonso as Medical Board Administrator Cory Scott Allen as Tim Michael Silberblatt as Drug User at Bridge Taylor Simmons as Drug User at House Nicole Burgess as New Sales Rep Mark Cabus as Senator Kefauver Jon Hayden as Senator Chris Dodd Mary Kraft as Dr. Deborah Leiderman Christie Duke as Receptionist
