Mark Costello
Actor
Mark began working professionally in Los Angeles back in 1983, when he booked his first job as the "Starter" in, Hot Dog...the Movie". He continued working numerous Co-Star and Guest spots on episodic TV such as, "Murder She Wrote, "Dynasty," Knots Landing," "Who's the Boss," "LA Law," "Full House",…
Actor
| The Twelvemile(2026)as Charles Rinehardt |
| Signed, Sealed, Deceived by My Billionaire Mailboy(2025)as Chester Carrington |
| Paradise(2025)as Billionaire #1 |
| You'll See Me Again(2024)as Abe |
| Adult Swim Yule Log(2022)as Sheriff |
Self
| It's Florida, Man(2024)as Joe Jones |
| The 44th Annual Daytime Emmy Awards(2017)as Self |
| FBI: The Untold Stories(1991) |
Credit Score: Mark Costello
| # | Name | Score | Year | Win | Nom | Known | ★ | Wins | Noms | Votes |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | JAG | 7.50 | 1995 | • | 6.7 | 3 | 11 | 21860 | ||
| 2 | Paradise | 5.00 | 2025 | • | 7.9 | 0 | 4 | 78501 | ||
| 3 | MacGyver | 5.00 | 1985 | • | 7.6 | 0 | 4 | 45091 | ||
| 4 | Our Friend | 3.75 | 2021 | • | 7.3 | 0 | 0 | 17999 | ||
| 5 | First Monday | 3.75 | 2002 | • | 7.3 | 0 | 1 | 239 | ||
| 6 | Reasonable Doubts | 3.75 | 1991 | • | 7.5 | 0 | 3 | 548 | ||
| 7 | Malibu Shores | 2.50 | 1996 | • | 6.4 | 0 | 0 | 351 | ||
| 8 | Charles Sloan | 1.63 | 2022 | • | 0.0 | 0 | 0 | 0 | ||
| 9 | Hollywood Hot Tubs | 1.25 | 1984 | • | 3.9 | 0 | 0 | 550 | ||
| 10 | Yes, God, Yes | 1.00 | 2020 | 6.1 | 0 | 0 | 20334 |