Hsue-shen Tsien

as

Qian Xuesen

as

Jiang Ying

as

General Nie Rongzhen

as

Minister Lu

as

Pyre

as

Lee DuBridge

as

Scientist Assistant

as

Prison Interrogator

as

Zhou Enlai

as

Old Jiang Ying

as

Director

as

Writer

as

Writer

as

Original Music Composer

as

Director of Photography