Linney, Sidibe Star in ‘The Big C’ (Trailer) Showtime series follows character with cancer Wrap Staff March 24, 2010 @ 1:39 PM Share on Social Media Laura Linney stars in Showtime’s "The Big C" as a woman with cancer. The series co-stars Oliver Platt and Gabourey Sidibe ("Precious") as her husband and student, respectively. Read Next Netflix Acquires 'Calabasas' TV Series Produced by Kim Kardashian and Emma Roberts' Series ‘Calabasas’ Comments