Gummer and Linklater will play a young couple who give Laura Linney's character, Cathy, an "unexpected" offer that might help her find more happiness in her life.
As previously reported, Susan Sarandon (Exit the King) will join the cast for a multi-episode arc, and Tony nominee Victor Garber (Damn Yankees) will appear on the April 8 season premiere. Sarandon will play Joy, a cancer survivor who significantly impacts Cathy.
"The Big C" airs Sunday nights at 9:30 PM ET on Showtime.
Radio City Christmas Spectacular: Buy One, Get One Free!
The Rockettes® dazzle in brilliant dance numbers and Radio City® shines with the joy of the season.
Follow Santa on his sleigh ride, see ice skaters swirl across the stage, and catch a snowflake or two
in this immersive theatrical experience like no other. And this year, delight in the magic of Santa’s enchanted toy factory! We’re bringing back a fan favorite to Santa’s workshop, with charming ragdolls that come to life.