cast
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Mark Ruffalo
Dan Mulligan
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Keira Knightley
Gretta James
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Adam Levine
Dave Kohl
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Hailee Steinfeld
Violet Mulligan
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Catherine Keener
Miriam Hart
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James Corden
Steve
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Yasiin Bey
Saul
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Aya Cash
Jenny
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Maddie Corman
Phillis
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Karen Pittman
Business Woman
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Paul Romero
Bartender
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Andrew Sellon
Christian Father
- Ed Renninger Barman
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Eric Burton
Singer Songwriter 2
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Marco Assante
Marco
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Mary Catherine Garrison
Jill
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Jen Jacob
Dave Fangirl
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Rob Morrow
CEO
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Jennifer Li Jackson
Mim
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Ian Brodsky
Malcolm
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Shannon Walsh
Rachel
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David Abeles
Glen
- Ann McGowan Ballet Teacher
- Ron Voz Butler
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Cee Lo Green
Troublegum
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Kena Onyenjekwe
Troublegum Posse 1 - Rappa DD
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Harvey Morris
Troublegum Posse 2 - Phat Jimmy
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Terry Lewis
Troublegum Crew Member - Benson
- Colin Love Singing Basketball Player
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Jimmy Palumbo
Guy Shouting from Window
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Simon Delaney
Lawyer
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Danielle Brisebois
Singer
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Keen Ruffalo
Keen
- Melissa Maria Gonzalez Chris
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Nicholas Daniel Gonzalez
Zach
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David Pendleton
Homeless Man
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Madison Love
Singer Songwriter 1
- Joanna Mauer On Camera Musician
- Erik Detusch On Camera Musician
- Rich Mercurio On Camera Musician
- Emilie Cardinaux On Camera Musician
- Curtis Fowlkes On Camera Musician
- Emily Yarbourgh On Camera Musician
- Erin Benin On Camera Musician
- Alexis Sykes On Camera Musician
- Julia Bruskin On Camera Musician
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Stacey Maltin
Young Girl
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Sama Fernands
Concert Attendee (uncredited)
- Sharman Macdonald Diner Costumer