The Big C, premiering Aug. 16, stars Linney as a suburban housewife who tries to find humor in her cancer diagnosis. Oliver Platt co-stars as her husband.
Gabourey Sidibe to recur on Showtime's The Big C
On Luther, Elba plays Detective John Luther, a brilliant but emotionally impulsive murder investigator who's locked in a battle of wits with his nemesis and confidante, Alice (Ruth Wilson). The show will hit U.S. airwaves later this year.