The Big C: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! The Big C Comedy, Drama 8/16/10 – 5/20/13 United States GeneralEpisodesTranslationsCastCharactersGallery Cast See full cast → Laura Linney as Catherine 'Cathy' Jamison Oliver Platt as Paul Jamison Gabriel Basso as Adam Jamison John Benjamin Hickey as Sean Tolke Phyllis Somerville as Marlene Gabourey Sidibe as Andrea Jackson