France Nuyen worked with Jeff Hunter in one other film:
In Love and War
DIMENSION 5 .... 1966
Power) Jeff is a U.S. secret agent assigned to stop a Communist Chinese attempt
to set off an atomic bomb in Los Angeles; he is aided by a
female Chinese-American agent (France Nuyen). Time travel is their
uncredited co-star in this James Bond-like film.
Also starring (credited J) Donald Woods
and Harold Sakata.