What show starred Canadian actor born on February 4, 1923, alongside Gary Coleman and Todd Bridges?
Diff'rent Strokes:  The series stars Gary Coleman and Todd Bridges as Arnold and Willis Jackson, two African American boys from Harlem who are taken in by a rich white Park Avenue businessman and widower named Phillip Drummond (Conrad Bain) and his daughter Kimberly (Dana Plato), for whom their deceased mother previously worked.
i don't know