Three friends find a secret tunnel under the ruins of a church that leads them to the basement of a dilapidated house and, incidentally, a group of counterfeiters.
Butch Patrick
as Frank Wilson
Sheldon Collins
as Beans Emerson
Lundy Davis
as Skeeter Martin
Frank McHugh
as Constable Seely
Richard Bakalyan
as Charlie
David McLean
as Prof. Wilson
Ben Wright
as Ethan Marcus
Grace Lee Whitney
as Velma
Frederic Downs
as Hotchfelter
