I should have more coming soon, but for now, here are the screencaps of River you can find in this spot:

link (as Chris Chambers, 1986)
link (as Charlie Fox, 1986)
link (as Jeff Grant, 1988)
link (as Danny Pope/Michael Manfield, 1988)
link (as Young Indiana, 1989)
link (as Mike Waters, 1991)

Coming Soon: I Love You To Death