User blog comment:WillTheArthurandBusterFan5050/Which "Real" Characters Do You Think Should Appear on Arthur?/@comment-25120277-20150919180232

Or perhaps all the Nick comedy shows by Dan Schneider. Like iCarly, Drake and Josh, Victorious, and Sam and Cat (that's practially iCarly and Victorious in a different show though...)

So yeah.... The actors, however,  who played them and would voice themselves are

Drake Bell and Josh Peck,

Miranda Cosgrove,

Jennette McCurdy,

Nathan Kress,

Jerry Trainor,

Noah Munk/Gibbaeh..

Arianna Grande,

Victoria Justice,

Elisabeth Gilles,

and

Daniella Monet