I mean, not just as plot characters like how Mordin and Samara were in this game. I mean active members of your crew that you can take on Missions. I would definitely pick Zaeed, seeing as he was completely badass, and he was probably the most hilarious crew member with some of the most memorable lines.
Thoughts?? --- "Don't piss in my ear and tell me it's raining"
Either Kasumi or Samara depending on whether I was using biotics or tech. --- "Immigrants. Thats all they do, you know. Just driving around, listening to raps, shooting all the jobs." - Malory Archer GT: Bessy67
although jack needs to present a viable lesbian threesome or group sex option in the game,
zaeed would be a constant source of amusement as opposed to 30 seconds of amusement or less since it would most likely be a scene like the pearl foursome/threesome in dragon age origins (which it should).
For someone who doesn't save Kaidan, the squad is missing a Sentinel, so that's where Miranda fills in. She also would've added a tremendous amount to the Cerberus aspect of the plot, and as someone else mentioned, she could've been brought to Cronos Station instead of EDI.
Thane and Wrex both fill the Vanguard spot in the squad, and both are among my favorite characters in the series (along with Miranda). Since this poll is asking for only ME2 squaddies, I'd go with Thane. --- XBL GT - Sheepman2342