Brendan Fraser Cliff Steele, Robotman (Voice) Actor Matt Bomer Larry Trainor, Negative Man (Voice) Actor April Bowlby Rita Farr, Elasti-Woman Actor Diane Guerrero Crazy Jane Actor Timothy Dalton Niles Caulder, The Chief Actor Joivan Wade Victor Stone, Cyborg Actor Alan Tudyk Mr. Nobody Actor Matthew Zuk Negative Man Actor Riley Shanahan Robotman Actor Tom Fitzpatrick Old John Bowers Actor Gary Basaraba Big D Actor Kyle Russell Clements John Bowers Actor Bethany Anne Lind Clara Steele Actor Greg Berlanti Executive Producer Geoff Johns Executive Producer Jeremy Carver Executive Producer Sarah Schechter Executive Producer Chris Dingess Executive Producer April Fitzsimmons Writer Wayne Yip Director