Buffoonish Ernest and his dimwitted pal Abner unearth a huge cannon reputed to contain the crown jewels of England.
Jim Varney
as Ernest P. Worrell
Ron James
as Abner (as Ron K. James)
Tom Butler
as Dr. Glencliff
Linda Kash
as Nan
Frank C. Turner
as Van Driver
Lillian Carlson
as Receptionist
Alf Humphreys
as Surgeon (as Alf Humphries)
Mitchell Kosterman
as Thug 1 (as Mitch Kosterman)
Alan Robertson
as Head Man
Dave 'Squatch' Ward
as Construction Worker 1
Duke Ernsberger
as Frank
Jeffrey Pillars
as Joe
