Mackenzie Davis Grace Natalia Reyes Daniella "Dani" Ramos Linda Hamilton Sarah Connor Arnold Schwarzenegger T-800 / Carl Gabriel Luna Gabriel / REV-9 Diego Boneta Diego Ramos Tristán Ulloa Felipe Gandal Stephanie Gil Young Grace (10yrs) Tom Hopper Hadrell Alicia Borrachero Carl's Wife Enrique Arce Dani Ramos's Father Manuel Pacific Mateo Fraser James Major Dean Pedro Rudolphi Cholo Diego Martínez Cesar Mateo Steven Cree Rigby Matt Devere US Border Riot & Locker Officer Karen Gagnon AFB Operator Neil Corbould BBQ Host Dad Lorna Brown US Border - Agent Brenner Stuart McQuarrie Craig - Factory Supervisor Peter Schueller US Border Gate Officer Daniel Ibáñez Miguel Mona Martínez Old Street Seller Samantha Coughlan ICE Medic James Barriscale US Border X-Ray Officer Tábata Cerezo Julia Nicholas Wittman F-35 Pilot Daniel Ortiz Pharmacist Mark Hesketh Texas Ranger Peter Ormond Texas Ranger Joaquín Molla Detainee Axel Mario de la Rosa Mexico City Cop Mackenzie Davis Grace Natalia Reyes Daniella "Dani" Ramos Linda Hamilton Sarah Connor Arnold Schwarzenegger T-800 / Carl Gabriel Luna Gabriel / REV-9 Diego Boneta Diego Ramos Tristán Ulloa Felipe Gandal Stephanie Gil Young Grace (10yrs) Tom Hopper Hadrell Alicia Borrachero Carl's Wife Enrique Arce Dani Ramos's Father Manuel Pacific Mateo Fraser James Major Dean Pedro Rudolphi Cholo Diego Martínez Cesar Mateo Steven Cree Rigby Matt Devere US Border Riot & Locker Officer Karen Gagnon AFB Operator Neil Corbould BBQ Host Dad Lorna Brown US Border - Agent Brenner Stuart McQuarrie Craig - Factory Supervisor Peter Schueller US Border Gate Officer Daniel Ibáñez Miguel Mona Martínez Old Street Seller Samantha Coughlan ICE Medic James Barriscale US Border X-Ray Officer Tábata Cerezo Julia Nicholas Wittman F-35 Pilot Daniel Ortiz Pharmacist Mark Hesketh Texas Ranger Peter Ormond Texas Ranger Joaquín Molla Detainee Axel Mario de la Rosa Mexico City Cop Zoltán Téglás US Border Desk Sergeant Blair Jackson JP Phillip Garcia Rusty Tarnue Massaquoi Zack Hardy Cleveland Berto T. Gill Christine Horn Owens Pete Ploszek Ackers Mark Weiler Surgeon Kacy Owens Maggie Curtis Stephen Oyoung Technician Curtis Anisha Gibbs Cohort Josh Wood Pilot #2 Mackenzie Davis Grace Natalia Reyes Daniella "Dani" Ramos Linda Hamilton Sarah Connor Arnold Schwarzenegger T-800 / Carl Gabriel Luna Gabriel / REV-9 Diego Boneta Diego Ramos Tristán Ulloa Felipe Gandal Stephanie Gil Young Grace (10yrs) Tom Hopper Hadrell Alicia Borrachero Carl's Wife Enrique Arce Dani Ramos's Father Manuel Pacific Mateo Fraser James Major Dean Pedro Rudolphi Cholo Diego Martínez Cesar Mateo Steven Cree Rigby Matt Devere US Border Riot & Locker Officer Karen Gagnon AFB Operator Neil Corbould BBQ Host Dad Lorna Brown US Border - Agent Brenner Stuart McQuarrie Craig - Factory Supervisor Peter Schueller US Border Gate Officer Daniel Ibáñez Miguel Mona Martínez Old Street Seller Samantha Coughlan ICE Medic James Barriscale US Border X-Ray Officer Tábata Cerezo Julia Nicholas Wittman F-35 Pilot Daniel Ortiz Pharmacist Mark Hesketh Texas Ranger Peter Ormond Texas Ranger Joaquín Molla Detainee Axel Mario de la Rosa Mexico City Cop Zoltán Téglás US Border Desk Sergeant Blair Jackson JP Phillip Garcia Rusty Tarnue Massaquoi Zack Hardy Cleveland Berto T. Gill Christine Horn Owens Pete Ploszek Ackers Mark Weiler Surgeon Kacy Owens Maggie Curtis Stephen Oyoung Technician Curtis Anisha Gibbs Cohort Josh Wood Pilot #2 Aaron Kunitz John Connor (voice) Edward Furlong John Connor Reference Geneviève Doang Resistance Nurse Rochelle Neil C-5 Co-Pilot (uncredited) Brett Azar T-800 (uncredited) Jude Collie Young John Connor (uncredited)