Nathan Martin. Nathan Martin was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Zack (voice)'.Aaron Dispennett. Aaron Dispennett was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Joey (voice)'.Connor Lavery. Connor Lavery was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Grandpa (voice)'.Jenna Rose. Jenna Rose was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Teacher (voice)'.Keegan McQuin. Keegan McQuin was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Dealer (voice)'.Gabe Janisz. Gabe Janisz was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Director, Writer, Animation'Justin Noel. Justin Noel was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Director, Writer, Animation'Cameron Layne Paxton. Cameron Layne Paxton was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Theme Song Performance, Music'Brent Austin. Brent Austin was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Thanks'Keegan McQuin. Keegan McQuin was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Animation Production Assistant'Jonni Peppers. Jonni Peppers was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Thanks'Dave Thomas. Dave Thomas was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Thanks'Thomas Heelis. Thomas Heelis was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Animation Production Assistant'Adam Hawthorne. Adam Hawthorne was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Animation Production Assistant'Soo Hyun Bahn. Soo Hyun Bahn was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Sound Designer'Jonah Sauve. Jonah Sauve was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Sound Designer'Maxim Grachev. Maxim Grachev was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Sound Designer'Daniel Eaton. Daniel Eaton was >> in Grandpa 2.0: Grandpa Gets Schooled as 'Sound Re-Recording Mixer'