as

Noah

as

Professor Dixon

as

Ernest

as

Young Lassie

as

Hudson Harper (voice)

as

Young Frank

as

Ryan

as

Bill (voice)

as

Joel Hynek

as

Andy Landry

as

Hudson Harper (voice)

as

Young Johnny

as

Young Max

as

Frederick

as

1950s Young Mack's Dad

as

Dooley

as

Kid #2

as

Young Norman

as

Young Boy

as

Sound