| ROBERTPOWELL | Actor who played Mark Williams in Holby City (6,6) |
| HOBLEY | Surname of Tina who played Chrissie Williams in Holby City from 2001-13 (6) |
| NICE | Patrick, fictional actor played by Mark Williams in The Fast Show (4) |
| NOELHARRISON | Actor-singer who played Mark Slate in US television spy series The Girl from UNCLE |
| TODDCARTY | Actor who played Mark Fowler in EastEnders |
| BUCHAN | Andrew, actor who played Mark Latimer in Broadchurch (6) |
| VANDYKE | Dick _ _, US actor who played Mark Sloan in Diagnosis: Murder (3,4) |
| MITCHELL | David _, actor who played Mark Corrigan in Peep Show (8) |
| TODD | _ Carty, actor who played Mark Fowler in EastEnders (4) |
| EISENBERG | Jesse ******, actor who played Mark Zuckerberg in 2010 film 'The Social Network' (9) |
| BRAD | and 18dn, US actor who played Mark Sway in 1994 film drama The Client (4,6) |
| ANTHONYRAPP | Star Trek: Discovery actor who played Mark Cohen in the original Broadway cast of Rent: 2 wds. |
| RENFRO | see 2dn, US actor who played Mark Sway in 1994 film drama The Client (4,6) |
| NOEL | Actor and singer who played Mark Slate In US television spy series The Girl from UNCLE (4,8) |
| HARRISON | Actor and singer who played Mark Slate In US television spy series The Girl from UNCLE (4,8) |
| STEVEN | Actor Eckholdt who played Mark Robinson |
| VAL | Kilmer who played Mark Twain |
| NED | ___ Porteous, actor who plays Joe Tate in Emmerdale, and previously played Mark Fowler Jnr in Eastenders (3) |
| SNOOKER | Cue sport originating in India whose current world champion is Mark Williams |
| FATHERBROWN | Amateur British sleuth created by G.K. Chesterton, played on TV by Mark Williams |