The most common and most likely answer to this crossword clue is the 8 letter word WESTERNS
I've seen this crossword clue in The Sunday Telegraph
W
E
S
T
E
R
N
S
More clues leading to the result WESTERNS
Buddy explains!
The straight part
We know that "Non-Asian movies that may have roles for Indians" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case non-asian movies that may have roles for indians = westerns.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does WESTERNS mean?
WESTERNS noun- A film, or some other dramatic work, set in, the historic (c. 1850-1910) American West (west of the Mississippi river) focusing on conflict between whites and Indians, lawmen and outlaws, ranchers and farmers, or industry (railroads, mining) and agriculture.