Richard Levinson Creator William Link Creator Don Francks Franklin Sheppard Actor Marino Masé Jean-Gaston Andre Actor John Leyton Nicholas Gage Actor John Drew Barrymore Actor Marianna Hill Actor Peter Mark Richman Actor John Orchard Actor Gia Scala Actor Johnny Seven Actor Antoinette Bower Actor Alan Caillou Actor Patricia Huston Actor Jan Merlin Actor Eduardo Ciannelli Actor Martin Kosleck Actor Eric Braeden Actor Titos Vandis Actor Ivan Triesault Actor Gregory Morton Actor Paul Comi Actor Richard C. Sarafian Director Barry Shear Director Allen Baron Director Alexander Singer Director Sherman Marks Director Richard Donner Director Murray Golden Director