Marcanthonee Reis is an American child actor best known for playing Harry Grant on the TV drama 9-1-1.
His birth date is reported as February 7, 2009, but it is not officially confirmed. IMDb lists him as an actor known for Snowpiercer, Grey's Anatomy, and 9-1-1. Online net worth estimates range from $500,000 to $3 million. No source verifies any of them.
Quick Facts
| Fact | Detail |
| Full name | Marcanthonee Jon Reis |
| Birth date | Unconfirmed. Famous Birthdays lists February 7, 2009. |
| Age in 2026 | 17 if that date is right. Some sites say 18. |
| Nationality | American |
| Height | 4′4″ (1.32 m) on IMDb |
| Known for | Harry Grant, 9-1-1 (2018–2022) |
| Net worth | No verified figure |
| Social media | No verified handle found |
Who Is Marcanthonee Reis?
Marcanthonee Reis is an actor who started on TV as a young child. He has said he decided at age five that he wanted to act.
He played the son of Athena Grant and Michael Grant. Angela Bassett and Rockmond Dunbar played his on-screen parents. That role made him a familiar face to drama viewers. Fans of young TV actors may also like our profile of Henry Eikenberry.
How Old Is Marcanthonee Reis in 2026?
Sources disagree on his age. Famous Birthdays lists a February 7, 2009 birth date. That makes him 17 in October 2026.
Another site guesses he was born "circa 2008" and calls him 18. Its own data file assumes January 1, 2008. That is a calculation, not a confirmed date.
How Tall Is Marcanthonee Reis?
IMDb lists his height as 4′4″, which is 1.32 m. That number likely dates from his childhood roles. No current measurement has been published.
Career: From Glee to 9-1-1
His early credits were small guest parts. He appeared as Boy #3 (uncredited) in Parenthood in 2011, then as Oscar in Glee the same year. He then moved into film and bigger TV roles.

| Year | Title | Role | Note |
| 2011 | Parenthood | Boy #3 | Uncredited |
| 2011 | Glee | Oscar | One episode |
| 2013 | Snowpiercer | Tim | Octavia Spencer played his on-screen mother |
| 2013 | Grey's Anatomy | Tuck | Episode "Thriller" |
| 2017 | I Do... Until I Don't | Zenith | Film |
| 2018 | A Tale of Two Coreys | Parker | TV movie |
| 2018–2022 | 9-1-1 | Harry Grant | 74 episodes credited |
If you like Grey's Anatomy cameos, see Jaicy Elliot, who played Dr. Taryn Helm.
How Big Was His Role on 9-1-1?
Harry was a recurring character in season one. He joined the main cast in season two. His storyline ended after season five, when Harry moved to Florida to live with his father.
Why Was Harry Recast?
Harry returned in season 7, episode 4, played by Elijah M. Cooper. Showrunner Tim Minear told TVLine that Reis was ready to move on. Reis turned down the return, according to the report.
Marcanthonee Reis Net Worth in 2026
No verified net worth exists for Marcanthonee Reis. Child actors rarely disclose earnings, and no outlet like Forbes has reported his.
| Source | Estimate | Issue |
| thecityceleb | $500,000 | No method shown |
| celebpie (2020) | About $3 million | Cites a net worth site, outdated |
| Scraped wiki page (2021) | $1–5 million | Range too wide to use |
The top and bottom estimates differ by 6x. That gap tells you these numbers are guesses. Treat any single figure as unconfirmed.
Personal Life
Marcanthonee Reis keeps his private life out of the media. No spouse, partner, or relationship has been publicly reported.
His parents are not publicly named. He reportedly has a younger sister. Because he is young, this page stops there on purpose.
2026 Update
As of October 13, 2026, I found no confirmed new film or TV credits for him. His last verified credit is the season 6 premiere of 9-1-1 in 2022. That credit is listed as credit only.
Check IMDbPro for new projects. Fans of long-running dramas can also read about Leah Pipes and Tasya Teles.
Frequently Asked Questions
How old is Marcanthonee Reis?
Q: How old is Marcanthonee Reis?
A: Marcanthonee Reis is reported to be 17, based on a February 7, 2009 birth date. That date comes from a fan-data site, not an official source. Other sites estimate 2008 and say 18. Treat his exact age as unconfirmed.
How tall is Marcanthonee Reis?
Q: How tall is Marcanthonee Reis?
A: IMDb lists his height as 4′4″ (1.32 m). The figure likely reflects his childhood and has not been updated. No current measurement is public.
What is Marcanthonee Reis's net worth?
Q: What is Marcanthonee Reis's net worth?
A: No verified net worth exists. Online estimates range from $500,000 to $3 million. These come from sites that show no method. Treat them as guesses.
Which character did Marcanthonee Reis play on 9-1-1?
Q: Which character did Marcanthonee Reis play on 9-1-1?
A: He played Harry Grant, the son of Athena and Michael Grant. He appeared from 2018 to 2022. He was recurring in season one and a main cast member from season two.
Why did Marcanthonee Reis leave 9-1-1?
Q: Why did Marcanthonee Reis leave 9-1-1?
A: His character moved to Florida after season five. The showrunner said Reis was ready to move on. He later declined a return for season 7. This is a report from one interview, not an official statement from Reis.
Who replaced Marcanthonee Reis as Harry Grant?
Q: Who replaced Marcanthonee Reis as Harry Grant?
A: Elijah M. Cooper took over the role in season 7, episode 4. The recast reflected the character's time jump as he grew older. This applies only to the 9-1-1 role.
References
