Hey Arnold! The Movie— Full Cast

Spencer Klein

as Arnold (voice)

Francesca Marie Smith

as Helga Geraldine Pataki (voice)

Jamil Walker Smith

as Gerald Johanssen / Rasta Guy (voice)

Dan Castellaneta

as Grandpa 'Steely' Phil / Nick Vermicelli (voice)

Tress MacNeille

as Grandma Gertie 'Pookie' / Mayor Dixie / Red (voice)

Paul Sorvino

as Scheck (voice)

Jennifer Jason Leigh

as Bridget (voice)

Christopher Lloyd

as Coroner (voice)

Vincent Schiavelli

as Mr. Bailey (voice)

Maurice LaMarche

as Big Bob Pataki / Head of Security (voice)

Kath Soucie

as Miriam Pataki / Mona / Reporter (voice)

Christopher Walberg

as Stinky Petersen (voice)

Sam Gifaldi

as Sid (voice)

Justin Shenkarow

as Harold Berman (voice)

Blake McIver Ewing

as Eugene Horowitz (voice)