Complex sentence: The Eighth Doctor was the first since the original incarnation (portrayed by the late William Hartnell) not to have his face appear in the opening title sequence, a trend that continued throughout the revived series with the Ninth, Tenth and Eleventh Doctors.
Split into simpler sentences: The Eighth Doctor is the first since the original incarnation (portrayed by the late William Hartnell) not to have his face appear in the opening title sequence. This trend would continue throughout the revived series with the Ninth, Tenth and Eleventh Doctors.