In the Code Black episode ‘Landslide’, doctors at Angels Memorial treat two groups — victims caught in a landslide in Malibu, and a group of children who come in from a camping trip and bring measles into the ER. Joanna, grandmother to one of the young campers, ends up in a hospital bed too.
Joanna is portrayed by Meredith Baxter. She’s known for her roles on Finding Carter (Gammy), The Young and the Restless (Maureen Ruseell), Cold Case (Ellen Rush), Family Matters (Elyse Keaton, Michael J. Fox’s mother), and Family (Nancy Lawrence Maitland), among others. Baxter is also recognized for her role as Debbie Sloan (wife of Nixon’s finance/campaign expert Hugh Sloan) in the 1976 film All the President’s Men. Code Black airs Wednesdays at 10pm on CBS.