HBO's Hollywood bro comedy Entourage.
But while Chase became an A-list superstar, Grenier has fallen off the radar.
So, why hasn't life imitated art for this actor?
Here's why Adrien doesn't get many movie offers anymore.
Tough typecasting
Post-Entourage, Grenier has struggled to shake off the high-rolling party-boy typecast, with
the shadow of Vincent Chase seemingly destined to hang over him for the remainder of his
career.
The nature of playing an actor in a show meant that there was always a danger of people blurring
the line between the real actor and the character.
Grenier said of the confusion, "It's funny because what people don't know is I too wish
that I was Vince.
I'm not, I play the character.
At the end of the day, I go home and I'm me.
I share that fantasy as well—have a lifestyle with no consequences?
Sounds great!"
Getting greedy
Grenier's best shot at solidifying himself as a genuine movie star came when he was given
the chance to front the Entourage movie, but the project was fraught with setbacks.
By the time the movie came out, in 2015, the show was a fading memory and the film flopped
both with the critics and at the box office.
According to producer Mark Wahlberg, the cast was to blame for so many delays.
"Mark when's the Entourage movie coming out?"
"As soon as them guys stop being so greedy."
Grenier took the sleight personally, writing on Instagram, "I take my role as Vince on
the show and off very seriously.
All decisions I make personally and for business are for the principle of friendship and brotherhood.
It has, and never will be about the money for me, I promise."
The actor went on to defend his refusal to sign a deal, claiming he was holding out until
his castmates received similarly lucrative offers, but whatever the reason, the fact
that the film failed so spectacularly meant that Grenier's time on top as Vinnie Chase
was officially over.
Making music
In his spare time, Grenier plays in two New York-based rock bands.
The multi-talented actor sings lead vocals for Kid Friendly, though his other group The
Honey Brothers have had a little more exposure, largely because of their bizarre sound—they
call themselves a glam rock ukulele band.
"With all these people defining things, we just figured we'd give it a stab but I don't
know how accurate we were."
Grenier used the money he made on Entourage to fulfill a lifelong dream of opening his
own studio.
The "wreckroom" started as a personal hub for Grenier and his friends to jam, but the
unique space he created became so popular with local artists that it soon grew into
a fully fledged label.
Wreckroom Records became completely free for bands to use, and Grenier and his team will
also make you a music video without charging a cent.
Environmental advocacy
Grenier also spends a lot of his time on philanthropic causes and has a particular passion for green
living.
He has previously hosted environmental awareness show Alter Eco for Planet Green TV and tried
to launch an app called EcoHero, that would allow the user to see a product's carbon footprint
by scanning its barcode.
He later founded SHFT, the organization responsible for the Mobile Kitchen Classroom healthy eating
initiative that serves youths across all five boroughs of New York.
Essentially, he drives a big truck around showing kids how to make fruit and vegetables
bearable.
Grenier is also the co-founder of the Lonely Whale Foundation, which was inspired by a
documentary that Grenier produced called 52: The Search for the Loneliest Whale.
The film followed a crew of scientists and filmmakers on an expedition to find a rare
species of whale that lives its entire life in solitude because the frequencies it sings
at cannot be heard by other whales.
The ambitious Kickstarter project started generating buzz when fellow greenie Leonardo
DiCaprio donated $50,000 to Grenier's effort, and the expedition went ahead.
But whether they found the world's loneliest whale or not remains a mystery—the documentary
missed its planned 2016 release date and has yet to see the light of day.
Action hero flop
Grenier recently attempted to follow in the footsteps of Entourage producer Mark Wahlberg
by reinventing himself as a no nonsense tough guy in the 2017 action thriller Arsenal.
But the film fell flat on its face.
Its generic VOD fodder wasn't fooling anyone, only managing an embarrassing four percent
rating on Rotten Tomatoes.
Arsenal was Grenier's second botched attempt at reinventing himself in as many years.
He also also failed to impress in 2016 bank robbery flick Marauders.
Try and try again
Adrien Grenier might have had some trouble establishing himself outside of his Entourage,
but the actor isn't done trying just yet.
He's set to star in a political thriller called Public Affairs, about an inexperienced campaign
aide who finds himself in hot water after sleeping with the wife of a presidential candidate.
"I don't care if it wastes my time."
"I will change the perception."
And if the film doesn't pan out, he'll still have his hand full with his new dream role
as a United Nations Environmental Goodwill Ambassador.
Even if he never stages a comeback like Vinnie Chase did in the show, he can still help to
save the world.
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