Solo: If Lucky was smart, he'd get what X-9 and Nabura are after, then threaten each of them that he'll give it to the other.
Marker: Maybe you're right at that, Solo.
Solo: That's not unusual, Marker.

- Samuel S. Hinds in Secret Agent X-9 (1945)

Takahari: And why, please, is Bach watching Miss Moore?
Nabura: I told her the address to test her loyalty. Nobody can betray us but her.
Takahari: But she has been to Japan. She broadcasts our propaganda!
Nabura: Never trust a quisling.

- Victoria Horne in Secret Agent X-9 (1945)

Phil Corrigan: I found out something about this little tub. My only chance now is to win a bet with myself. I'm gambling that you're as good an American as any of the boys who are dying on the battlefield.

- Lloyd Bridges in Secret Agent X-9 (1945)

Lucky Kamber: I don't care about spies. They won't always be customers, while wanted men - that's another matter.
Nabura: Ah, so. Your precious criminals who can stay paying you head tax, of course, because you have no extradition laws.
Lucky Kamber: This island isn't a nation; it doesn't pretend to be. It's a business and now you're starting to cut into my profits - and that's what I don't like.
Nabura: Everyone must sacrifice in times of war. Japan has use for men like Drag Dorgan.

- Victoria Horne in Secret Agent X-9 (1945)

Jack Roberts [Chs. 1-2]: Hey, what are you guys doing in those Nazi uniforms?
First Nazi: It's time you learned you are working for the Axis.
Second Nazi: You are on a German ship; you are going to be put on a Japanese submarine.
First Nazi: Our captain wishes to pay military respect to our ally. Is your luggage ready?
Phil Corrigan: I think its about time for the United States to take over don't you think, Roberts?

- Lloyd Bridges in Secret Agent X-9 (1945)

Ah Fong: All the Japs are gone, but not quite the way Nabura expected.

- Keye Luke in Secret Agent X-9 (1945)

[an American agent is stabbed in the back]
Lynn Moore: He didn't have a chance, Ah Fong.
Ah Fong: Who does... with Nabura

- Keye Luke in Secret Agent X-9 (1945)

[as he blindfolds Nabura]
Ah Fong: The eyes of a woman are deadlier than her tongue.

- Keye Luke in Secret Agent X-9 (1945)