The Prisoner of Zenda, Inc.

Also known as Double Play, El pequeño impostor, Scambio di identità, A zendai fogoly, Schnappt den Doppelgänger!

When young computer genius Rudy inherits his father's business his avaricious uncle has him kidnapped and held hostage until the boy signs off all rights to the lucrative enterprise. Not wanting the uncle to control, a pair of corporate executives happen upon a youth who looks just like the missing heir. In hopes of keeping the business afloat, they substitute him at the board meetings.