@justintimebway: Maybe a lil Mack the Knife??? #JustInTime 🎥: @FallonTonight #jonathangroff #jimmyfallon #bobbydarin #macktheknife

el :

i just realised he looks like olly murs

kristen :

always will go insane for a mack the knife performance!!!!!!

PLMarionette :

Robbed of a Tony!!!! This is his masterpiece.

Suejacken :

I don’t remember ever seeing a talk show audience give a standing ovation after a performance but I could be wrong

M. Anne :

He is truly thrilling to watch 😍

user2859777148138 :

i went to nyc this year to see this show and seeing him in person was a dream come true

Amy :

Seeing Just in Time tomorrow night!

Micha aka Mojo :

As soon as this video was over I went to Spotify and started playing the cast recording. It's already on repeat for me.

Sloan87 :

He was born for this💞

⋆ ˚｡⋆୨🎬🄻ulu🎀୧⋆ ˚｡⋆ :

The face I be making when I hear Bobby Darin’s at the function

Kelly :

His charisma on stage is truly unmatched

paula :

we love jonathan groff 🤩

wallis :

unreal as always!! there’s no one doing it like groffs doing it!!!

Kathleen Robbins :

Now that is a musical delivery!

Marcy :

Go see this show! Amazing!

Kathy O’Donnell :

He’s so amazing 💙

Discobitch71💙 :

✨Joann ✨💙Cevans Fan 4Life💙 :

Jonathan I love him so much. I love to hear him sing.

Lauren L :

A magical night! His passion for performing and connecting with his audience is breathtaking! 🙌🏻

Stephanie Saad :

Born to play this role

Paula :

We should treasure this man!! 💖

Stacey :

I just love him! So talented.

Katttt :

I love him so much 😭😭😭

Sandytoze :

I LOVE him 😍

Sophear :

Amazing action