William Shatner Host Lance Armstrong Contestant Natasha Leggero Contestant Cat Cora Contestant Marshawn Lynch Contestant Ashley Iaconetti Contestant Christopher Mintz-Plasse Contestant Adam Rippon Contestant Ronda Rousey Contestant Tom Schwartz Contestant Paul Pierce Contestant Paul Pierce Contestant Richard Sherman Contestant Andy Richter Contestant Tinashe Contestant Porsha Williams Contestant Tallulah Willis Contestant Ariel Winter Contestant Chris Culvenor Executive Producer Paul Franklin Executive Producer Wes Dening Executive Producer Eden Gaha Executive Producer Charles Wachter Executive Producer