Michael Landon was not a mostly movie actor however Kurt Russell is. . . .
McCauly Caulkin - former child actor
Bonnie Bedelia - actress & McCauly's aunt
Kurt Russel - former child actor mostly A++ movie actor
Bonnie took a long hiatus and did not return to acting until 4 years later after the filming of "The New Land"
sauce: https://www.imdb.com/name/nm0000889/?ref_=nv_sr_1
Look how long a break Bonnie took after filming "The New Land" she told McCauley she had to take several years off because of the rape….
Ken Howard not an A++ mostly movie actor
KR is fubar'ed