A-List Actors:
* Ryan Reynolds: Known for "Deadpool," "Green Lantern," and "The Proposal"
* Reese Witherspoon: Known for "Legally Blonde," "Big Little Lies," and "The Morning Show"
* Rachel McAdams: Known for "The Notebook," "Mean Girls," and "Spotlight"
* Rebel Wilson: Known for "Pitch Perfect," "Bridesmaids," and "Senior Year"
* Rowan Atkinson: Known for "Mr. Bean," "Blackadder," and "Johnny English"
* Robert Downey Jr.: Known for "Iron Man," "Sherlock Holmes," and "Chaplin"
* Rupert Grint: Known for "Harry Potter" film series
* Rachel Zegler: Known for "West Side Story" and "Shazam! Fury of the Gods"
* Regina King: Known for "Watchmen," "If Beale Street Could Talk," and "The Leftovers"
* Rami Malek: Known for "Bohemian Rhapsody" and "Mr. Robot"
Other Notable Actors:
* Rhea Perlman: Known for "Cheers"
* Roseanne Barr: Known for "Roseanne"
* Richard Roundtree: Known for "Shaft"
* Ryan Phillippe: Known for "Cruel Intentions" and "One Upon a Time"
* Rosario Dawson: Known for "Sin City," "Rent," and "Daredevil"
* Rhea Seehorn: Known for "Better Call Saul"
* Richard Madden: Known for "Game of Thrones" and "Bodyguard"
* Rachel Bloom: Known for "Crazy Ex-Girlfriend"
* Rainn Wilson: Known for "The Office"
* Robert Carlyle: Known for "Trainspotting" and "Once Upon a Time"
This list is by no means exhaustive, but it includes a good selection of television stars whose names start with "R."