Joe Manganiello Coulthard Voice Josh Brener Voice Troy Baker Torrin Voice Mackenzie Davis Martha Kivelson Voice Christian Serratos Harper Voice Gary Anthony Williams XBOT 4000 Voice Dan Stevens Nigel, Technician Voice Fred Tatasciore Springtail, Investor Voice Gabriel Luna Sgt. Nielson Voice Jai Courtney Spencer Voice Chantelle Barry Maril Voice Steve Blum Pvt. Coutts Voice Noshir Dalal Beaumont Voice Andrew Kishino Pvt. Erwin Voice Parry Shen Suparin Voice Time Winters Deacon Voice James Preston Rogers Jorvan Voice Debra Wilson Voice Elodie Yung Chantre Voice Max Fowler Cert Voice David Fincher Executive Producer, Director Tim Miller Executive Producer, Director, Writer Jennifer Miller Executive Producer Joshua Donen Executive Producer Emily Dean Director Robert Bisi Director, Writer Carlos Stevens Director Alberto Mielgo Director, Writer Patrick Osborne Director Jennifer Yuh Nelson Director Philip Gelatt Writer John Scalzi Writer Andy Lyon Director, Writer Andrew Kevin Walker Writer