27 suggestions

Ian Somerhalder
as Henry in Thomas and Tillie
Martin Short
as James in Thomas and Tillie

David Spade
as Percy in Thomas and Tillie

Patton Oswalt
as Thomas in Thomas and Tillie
Randy Travis
as Horace Corace in The Sky-High City of Steampuff
Brad Garrett
as Jerry in The Sky-High City of Steampuff

Gary Oldman
as Phinnegan Tentacle in The Sky-High City of Steampuff