Mark Protosevich Creator, Executive Producer, Writer Colin Farrell John Sugar Actor, Executive Producer Amy Ryan Melanie Mackintosh Actor Kirby Ruby Actor Dennis Boutsikaris Bernie Siegel Actor Nathan Corddry David Siegel Actor Alex Hernandez Kenny Actor James Cromwell Jonathan Siegel Actor Sydney Chandler Olivia Siegel Guest Star Fernando Meirelles Executive Producer, Director Simon Kinberg Executive Producer Sam Catlin Executive Producer Audrey Chon Executive Producer Scott Greenberg Executive Producer Chip Vucelich Executive Producer Adam Arkin Executive Producer