The info that I have from the BFI page about PASSAGE is:
PASSAGE TO HELL
Director Ken Watanabe
Cast David Light, Michael Welborn, Jim Moss, Anthony East, Donald Wilson, Philip Gordon.
-And from the BFI page about SANDO:
SANDO AND THE DIPLOMAT'S DAUGHTER
Action film: a diplomat's daughter is kidnapped and it is up to Sando, his midget assistant and a beautiful government agent to try to set her free.
Director: WATANABE, Ken
Production Company: Silver Star Film Company
Cast Member KRISTOFF, Romano
Cast Member PRICE, Janet
Cast Member JUHAS, Frank
Ben DULANEY, John P.
Cast Member MONTY, Mike