Before comedian Chris Rock participated in last month’s Oprah Winfrey/Kamala Harris rally, he had anticipated black-celebrity political commitment in Head of State, his 2003 directing-writing debut.

In 1990, Rock made his debut on “Saturday Night Live,” working alongside Chris Farley, Adam Sandler and David Spade. After departing the show over creative differences, Rock joined rival ...

The Dennis Dugan-directed movie, which co-stars Nicollette Sheridan, Robin Shou, and Chris Rock, came out in 1997 and was ...