ZAPPER'S BLADE OF VENGEANCE - aka The Swordsman:

The majority of action takes place in this fast moving family feud in the South of France, where Big Zapper employed to find out the identity of Karel Duval,
and the true heir to the Duval family fortune.

Blood is definitely thicker than water in this swash-buckling plot as the film follows the tale of highly charged emotions, culminating in exciting scenes of
violent swordsmanship.

Cult sequel to 'Big Zapper' 

CAST:

Linda Marlowe ... Harriet Zapper
Alan Lake ... Reynaud Duval
Jason Kemp ... Karel Duval
Tony Then ... Hock
Edina Ronay ... Guy Champion
Noel Johnson ... Christian Duval
Peter Halliday ... Rabelais
Michael O'Malley ... Gendarme
Graham Ashley ... Bar-fly
William Ridoutt ... Inspector Cook
David Robb ... Alex Zendor
Iain Armstrong ... Second
Roland Oliver ... Second
Peter Wonson ... 1st Swordsman
Frederick Marks ... Swordsman
Bruce Lidington ... Swordsman
James Hennessy ... Swordsman
Michael O'Brien ... Swordsman
E. Pollard ... Swordsman
Bob Prowse ... Thug in Gym
Bruce Ferguson ... Thug in Gym
Colin Osborne ... Thug in Gym
Howard Nelson ... Thug in Gym
Terry Mundy ... Thug in Gym
Chris Roberts ... Thug in Gym
Rex Grey ... Compere