Suggestions by @nickyhill
3,012 suggestions

Dyan Cannon
as Sally O'Malley McDodd in Horton Hears a Who! (1970's)

John Travolta
as JoJo McDodd in Horton Hears a Who! (1970's)

Douglas Seale
as Chairman of Whoville in Horton Hears a Who! (1980's)

Cree Summer
as Mayor's Daughters in Horton Hears a Who! (1980's)

Cloris Leachman
as The Dentist in Horton Hears a Who! (1980's)
Rosetta LeNoire
as Miss Yelp in Horton Hears a Who! (1980's)

E.G. Daily
as Jessica Quilligan in Horton Hears a Who! (1980's)

Michael J. Fox
as Tommy in Horton Hears a Who! (1980's)

Candace Cameron Bure
as Katie in Horton Hears a Who! (1980's)

Judd Nelson
as JoJo McDodd in Horton Hears a Who! (1980's)

Lily Tomlin
as Sour Kangaroo in Horton Hears a Who! (1980's)

Andie MacDowell
as Dr. Mary Lou LaRue in Horton Hears a Who! (1980's)

Drew Barrymore
as Helga McDodd in Horton Hears a Who! (1980's)

Jeff Cohen
as Rudy Kangaroo in Horton Hears a Who! (1980's)

John Hurt
as Vlad Vladikoff in Horton Hears a Who! (1980's)

Debbie Allen
as Sour Kangaroo in Horton Hears a Who! (1980's)

Dee Bradley Baker
as Chairman of Whoville in Horton Hears a Who! (2010's)

Angela Lansbury
as The Dentist in Horton Hears a Who! (2010's)

Emily Osment
as Jessica Quilligan in Horton Hears a Who! (2010's)

Jennifer Lewis
as Miss Yelp in Horton Hears a Who! (2010's)