Suggestions by @user_79680

Ian Somerhalder

as Henry in Thomas and Tillie

Score: +2

Martin Short

as James in Thomas and Tillie

Score: +1

David Spade

as Percy in Thomas and Tillie

Score: 0

Patton Oswalt

as Thomas in Thomas and Tillie

Score: +1

Randy Travis

as Horace Corace in The Sky-High City of Steampuff

Score: +1

Brad Garrett

as Jerry in The Sky-High City of Steampuff

Score: +1

Gary Oldman

as Phinnegan Tentacle in The Sky-High City of Steampuff

Score: +1