Suggestions by @leolorest

Kathleen Barr

as Trudy Triceratops in PBS Kids Interstitials (1999)

Vicki Eibner

as Otto And Etta Otter in PBS Kids Interstitials (1999)

Jim Kroupa

as Otto And Etta Otter in PBS Kids Interstitials (1999)

Jerry Nelson

as Gobo Fragglie in PBS Kids Interstitials (1999)

Karen Prell

as Red Fraggle in PBS Kids Interstitials (1999)

Steve Whitmire

as Wembley Fraggle in PBS Kids Interstitials (1999)

Dave Goelz

as Boober Fraggle in PBS Kids Interstitials (1999)

Carlo Bonomi

as Pingu in PBS Kids Interstitials (1999)

James Kirk

as Perry Parasaurolophus in PBS Kids Interstitials (1999)

John Tartaglia

as Gobo Fraggle in PBS Kids Interstitials (1999)

Kathryn Mullen

as Mokey Fraggle in PBS Kids Interstitials (1999)

Betty White

as Betty White in PBS Kids Interstitials (1999)

Eric Jacobson

as Fozzie Bear in PBS Kids Interstitials (1999)

Peter Linz

as Tutter The Mouse in PBS Kids Interstitials (1999)

Tara Strong

as Additional voices in Toopy and Binoo Reboot

Aidan Vissers

as Xavier Riddle in PBS Kids Interstitials (1999)

Aja Wooldridge

as Dot (2013) in PBS Kids Interstitials (1999)

Erika shaye gair

as Cory Corythosaurus in PBS Kids Interstitials (1999)

Richard Hunt

as Gladys The Cow in PBS Kids Interstitials (1999)

Eric Jacobson

as Miss Piggy in PBS Kids Interstitials (1999)