Frank Aletter
Professor Irwin Hayden
Danger Island is a live-action adventure serial produced by Hanna-Barbera and originally broadcast in 1968–69 as a segment of The Banana Splits Adventure Hour. It was filmed in Mexico, directed by future Superman, The Goonies and Lethal Weapon director Richard Donner, and featured Jan-Michael Vincent as Lincoln 'Link' Simmons. imdb.com