You would think an agency that can put an intellect into another person's body would hire/recruit people that are comfortable with *any* sexuality.. both in being, portraying, even to hooking up with same or either sex. Being 'ultimately fluid' for the mission....

I have actually thought up a plot similar to the switched sexes spy scenario. (The currently posted "A Spy Escapes" has the basics of the tech that would allow for an actual change of body shape/appearance...including build and seemingly (but only seemingly), gender.  Scene: A Spy Escapes (First draft, slight TF)