Kun Chen
— Qian Xuesen
张雨绮
— Jiang Ying
Lin Yongjian
— General Nie Rongzhen
尤勇智
— Minister Lu
张铁林
連凱
George Anton
— Pyre
Steve Boergadine
— Lee DuBridge
Ted Durant
— Scientist Assistant
James Lee Guy
— Prison Interrogator
Liu Jin
— Zhou Enlai
Pan Hong
— Old Jiang Ying
Tommy Shanahan
Nick Tate
— Kimball
Murray Clive Walker
— Official
许还山
— Old Qian Xuesen
Zhang Enqi
