Re: DS9/VOY...if it happened differently...
It just shows the effectiveness of Starfleet security that no unauthorized persons from DS9 were able to stowaway aboard Voyager in "Caretaker". And that a Cardassian operative in Bajoran disguise got by them.
Moe: I'll take the blonde!
Larry: I'll take the brunette!
Curly: I'll take the Black and Tan!
--Wee Wee Monsieur (1938)