Guest Stars Conrad Ricamora as Oliver Hampton Tom Verica as Sam Keating Benito Martinez as Todd Denver Kendrick Sampson as Caleb Hapstall Amy Okuda as Catherine Hapstall Cicely Tyson as Ophelia Harkness Jefferson White as Philip Jessup Adam Arkin as Wallace Mahoney Emily Swallow as Lisa Cameron Roger Robinson as Mac Harkness Gwendolyn Mulamba as Celestine Harkness T.K. Carter as Thelonius