Piven will reprise his role of the titular businessman, while Kelly will be back as Lady Mae Loxley in the 10-episode season.
Also returning for Season 4 will be series regulars Tom Goodman-Hill, Ron Cook, Amanda Abbington, Amy Beth Hayes, Trystan Gravelle, Sacha Parkinson and Samuel West.
Also read: Slumping Cubs looking at shattered dreams
00:16 Tesla Product Announcement – All Tesla Cars Being Produced Now Have Full Self-Driving Hardware
14:32 Taissa Farmiga returns to 'American Horror Story'
15:40 Gwen Stefani, Alicia Keys, Adam Levine, Blake Shelton named 'Voice' Season 12 coaches
14:05 ‘Red Dead Redemption 2’ Confirmed for Xbox One and PlayStation 4