Ahh. For the record, Alexander has been played by four different actors: Jon-Paul Steuer ("Reunion"), Brian Bonsall (the rest of TNG -- this is the one most people would picture first), Marc Worden (those dumb DS9 appearances), and frequent Trek guest star James Sloyan ("No, really. That's impossible.
You're like fifty.") This happens all the time with child characters, and in fact VOY's Naomi Wildman has the exact same tally: three actors for different stages of growth and one more for an alternate future.
"The stegosaurus was a herbivore."
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FiveMinute.net: because stuff is long and life is short
[03:17]
FiveMinZeke: Galactica clearly needs the advanced technology of
scissors, which get around the whole "yanking on your follicles" problem.
[03:17]
IJD: cylons can hack any blades working in conjunction