Brian Steele plays the Robot , an alien mechanoid being that Will first encounters on the planet that his family crash lands on . The robot has a different form from the ones on the previous series and movie . Raza Jaffrey as Victor Dhar , an educated and officious man with a sense of entitlement . Victor has been a career - builder and politician from a young age . His arrogance and impatience masks an underlying fear that it will be discovered that he is not quite good enough . Ajay Friese as Vijay Dhar , Victor and Prisha Dhar 's son Veenu Sandhu as Prisha Dhar . Victor 's wife and mother to Vijay Sibongile Mlambo as Angela Goddard Kiki Sukezane as Aiko Watanabe Amelia Burstyn as Dianne Cary - Hiroyuki Tagawa as Hiroki Watanabe Yukari Komatsu as Naoko Watanabe Adam Greydon Reid as Peter Beckert Iain Belcher as Evan Rowan Schlosberg as Connor AnnaMaria Demara as Tam Roughneck , Don 's co-worker ( Tam having been the daughter in the 1960 's comic book Space Family Robinson ) Selma Blair as Jessica Harris , June 's younger sister Bill Mumy as Dr. Zachary Smith

Question: who is the robot in lost in space 2018
Answer: Brian Steele