Sarah Snook, Matthew Macfayden, and director/executive producer Mark Mylod discuss the explosive final scene of 'Succession' season 3, where Logan Roy (played by Brian Cox) shows his hand and revealing Tom's (played by Matthew Macfayden) betrayal on his wife Siobhan (played by Sarah Snook). http://bit.ly/VarietySubscribe http://www.facebook.com/variety http://www.instagram.com/variety http://www.twitter.com/variety