¡Three Amigos!
A trio of unemployed silent film actors are mistaken for real heroes by a small Mexican village in search of someone to stop a malevolent bandit.
Martin Short
Innerspace
Test pilot Tuck Pendleton volunteers to test a special vessel for a miniaturization experiment. Accidentally injected into a neurotic hypochondriac, Jack Putter, Tuck must convince Jack to find his ex-girlfriend, Lydia Maxwell, to help him extract Tuck and his ship and re-enlarge them before his oxygen runs out.