L-R: John Cena, Kate McKinnon, and Aimee Carrero WME/Alexandra Carillo Vaccino/Getty EXCLUSIVE: John Cena (Matchbox: The Movie), SNL alum Kate McKinnon, and Aimee Carrero (Your Friends and Neighbors) have signed on for roles alongside Jennifer Garner in One Attempt Remaining, Netflix and 21 Laps' crypto comedy from director Kay Cannon. No character details have been disclosed.