- Alex Wassabi
- Â Richard / ... 42 episodes, 2012-2014
- Roi Fabito
- Â Rolanda / ... 41 episodes, 2012-2014
- Aaron Burriss
- Â Aaron / ... 2 episodes, 2012-2014
- Andrea Brooks
- Â Alex's Girlfriend 1 episode, 2014
- Carissa Alvarado
- Â Self 1 episode, 2012
- Michael Alvarado
- Â Self 1 episode, 2012
- Justin Timberlake
- Â Singer In 'Mirrors' 1 episode, 2013
- Rihanna
- Â Singer In 'Stay' 1 episode, 2013
- Pharrell Williams
- Â Singer In 'Get Lucky' With Daft Punk 1 episode, 2013
- Bruno Mars
- Â Singer In 'When I Was Your Man' 1 episode, 2013
- P!nk
- Â Singer In 'Just Give Me A Reason' 1 episode, 2013
- Mac Miller
- Â Rapper In 'The Way' With Ariana Grande 1 episode, 2013
- Daft Punk
- Â House Electronic Dance Disco Band In 'Get Lucky' 1 episode, 2013
- Lucas Cruikshank
- Â Self 1 episode, 2013
- Imagine Dragons
- Â Pop Rock Band In 'Radioactive' 1 episode, 2013
- Nate Ruess
- Â Singer In 'Just Give Me A Reason' With Pink 1 episode, 2013
- Andrew Burriss
- Â Young Alex / ... 1 episode, 2013
- Mikky Ekko
- Â Singer In 'Stay' With Rihanna 1 episode, 2013
- Kidz Bop Kids
- Â Pop Band In 'I Love It' 1 episode, 2013
- Samantha Webber
- Â Young Rolanda 1 episode, 2013
- Mrs. Fabito
- Â Rolanda's Mom 1 episode, 2013
