Lorne Greene Ben Cartwright Actor Michael Landon Little Joe Cartwright Actor Dan Blocker Eric "Hoss" Cartwright Actor Pernell Roberts Adam Cartwright Actor Sebastian Cabot Don Antonio Luga Guest Star Patricia Medina Isabella Maria Ynez Y Castra De La Cuesta, Rosita Morales Guest Star Paul Picerni Sanchez Guest Star Mike Ragan High Card Smith Guest Star Genaro Gomez Spanish Dancer Guest Star Celia Lovsky Dona Theresa Esperanza Guest Star Ned Wever Judge Blaton Guest Star Salvador Baguez Joe - Proprietor Guest Star John Frederick Andy Logan Guest Star Claudia Bryar Mary Logan Guest Star Stuart Randall Sheriff Hawkins Guest Star James W. Lane Executive Producer David Dortort Producer, Writer Laurence Heath Writer Christian Nyby Director