Guest Stars John Getz as Benjamin Cahill Tom Amandes as Mark Felt Mustafa Shakir as Gregory Hayes Tiffany Mack as Doc Shelley Robertson as Rufus' Mother Co Starring Chad Rook as Karl Nathan Mitchell as Bartender Grayson Maxwell Gurnsey as Teenager Sean Kuling as Soldier Ramauld Hivert as Black Panther #1 Sheldon Landry as Nixon Phillip Osztian as Haldeman Gareth Rees as Peacenik Chris W. Greenfield as Policeman