Full cast of I Am Groot

Vin Diesel

Baby Groot (voice)

10 episodes

Fred Tatasciore

Additional Voices (voice)

5 episodes

Terri Douglas

Additional Voices (voice)

3 episodes

Bradley Cooper

Rocket (voice)

2 episodes

Jeffrey Wright

The Watcher (voice)

1 episode

Dee Bradley Baker

Terma Baby Bird (voice)

1 episode

Bob Bergen

Additional Voices (voice)

1 episode

Scott Menville

Additional Voices (voice)

1 episode

Kaitlyn Robrock

Additional Voices (voice)

1 episode

Kari Wahlgren

Additional Voices (voice)

1 episode

Matthew Wood

Additional Voices (voice)

1 episode

James Gunn

Wrist Watch Voice (voice)

1 episode

Trevor Devall

Iwua (voice)

1 episode