Who played Samantha Stephens in 'Bewitched'?

Who played Opie Taylor in 'The Andy Griffith Show'? In which TV series is Opie Taylor a main character? Who played Jed Clampett in 'The Beverly Hillbillies'? In which TV series is Jed Clampett a main character? In which TV series is Samantha Stephens a main character? In which TV series is Captain Kirk a main character? In which TV series is Spock a main character? Who played Mike Brady in 'The Brady Bunch'?