I present to you Mandy Straussberg:
https://www.youtube.com/watch?v=-85BO1LXur0
https://www.youtube.com/watch?v=91INLyJOGOA This is the ONLY thing that could ever justify linking to a sequel to a Don Bluth movie...
Liz Horton
https://www.youtube.com/watch?v=vzqGxG__yJI
https://www.youtube.com/watch?v=ziH8STB0e8A
Mandy AND Liz
https://www.youtube.com/watch?v=xZQWcMcon3w
The first Mr. Whittaker
https://www.youtube.com/watch?v=sL9TunUh_bw
https://www.youtube.com/watch?v=UOljXcn9G38 (he's Gyro Gearloose)
Mr. Alan
https://www.youtube.com/watch?v=pm-MYqXhXFg (the human, not the horse, and obviously not the singing part)
https://www.youtube.com/watch?v=t_LWQQrpSc4 (Scrooge)
Connie Kendall
https://www.youtube.com/watch?v=fMI-yHoZyrY (What voice did she do in Silent Hill? She said 2, but that's impossible, because there aren't SIDE characters in that game... James, Maria, Laura, Angela, and Eddie. That's... pretty much it, and she wasn't any of them)
Dale Jacobs
https://www.youtube.com/watch?v=d0QpAphUNnI
I'd link you to Regis Blackgaard and Jimmy Barclay, but I couldn't find any clips of either that were CAA appropriate. Jimmy Barclay drops F-bombs occasionally.