| Actor | Pal (as Lassie), Lassie Junior (as Lassie (1954–1959)), Spook (as Lassie (1960)), Baby (as Lassie (1960–1966)), Mire (as Lassie (1966–1971)), Hey Hey (as Lassie (1971–1973)), Tommy Rettig (as Jeff Miller), George Cleveland (as George "Gramps" Miller), Joey D. Vieira (as Sylvester "Porky" Brockway), Jon Provost (as Timmy Martin), Jon Shepodd (as Paul Martin (1957–1958)), Hugh Reilly (as Paul Martin (1958–1964)), George Chandler (as Petrie J. Martin), Andy Clyde (as Cully Wilson), Todd Ferrell (as Ralph "Boomer" Bates), Robert Bray (as Forest Ranger Corey Stuart), Jack De Mave (as Forest Ranger Bob Erickson), Jed Allan (as Forest Ranger Scott Turner), Ron Hayes (as Garth Holden), Skip Burton (as Ron Holden), Larry Wilcox (as Dale Mitchell), Larry Pennell (as Keith Holden) |
