User blog comment:CustardBird/The WikiaFrog Show Promotional Pictures!!!/@comment-8435751-20170804202853/@comment-28217775-20170806171613

Basically (quen)

Everyone's reprising their role except for:

Julie (was voiced by some reddit VA called Gabi, now being voiced by WikiaFrog)

and

Oliver (was voiced by Titanium Ninja, now voiced by Text-to-Speech)