Top Ten Celebrities Who Guest Starred on Penn Zero: Part Time Hero

The Top Ten
1 Olivia Holt Olivia Hastings Holt is an American actress and singer who starred in the Disney Channel Original Series I Didn't Do It.
2 Grey DeLisle Erin Grey Van Oosbree, credited as Grey DeLisle and Grey Griffin, is an American voice actress and singer-songwriter.
3 Yvette Nicole Brown
4 Henry Winkler
5 Wanda Sykes Wanda Sykes is an American comedian, writer, actress and voice artist. She was first recognized for her work as a writer on The Chris Rock Show, for which she won a Primetime Emmy Award in 1999. In 2004, Entertainment Weekly named Sykes as one of the 25 funniest people in America.
6 Bill Nye William Sanford "Bill" Nye, popularly known as Bill Nye the Science Guy, is an American science educator, television presenter, and mechanical engineer.
7 Jennifer Veal
8 Jeff Gordon Jeffery Michael Gordon is an American former professional stock car racing driver, currently an announcer for Fox NASCAR, and a top executive for Hendrick Motorsports.
9 Sam Callahan Sam Callahan is a British pop singer who was born in Chelmsford, Essex, England. He is a contestant on the 10th series of the reality singing competition series The X Factor UK who previously performed in a mixed teen band before embarking on a solo career. He supports LGBT rights.
10 Adam Devine
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