Jimmy the Fan (with Freddy) (2007)| (uncredited) |
| Live Geeks in Lansing (2010) | (uncredited) |
| The Strange Case of the Storm at Sea (2011) |
|
| ACTOR |
| Rainman 2 (2002) | The Rainman |
| Soundstone Theater (2007) | Player Three
|
| Jimmy the Fan (with Freddy) (2007) | Narrator |
| Live Geeks in Lansing | Himself |
|
| WRITER |
| Rainman 2 (2002) |
| Sheriff Wars (2002) |
| The Last Forest (2002) |
| Sir Dude in the Sea Sapphire (2004) | (as The Otten Brothers) |
| The Mattris (2004-2005) | (as The Ottchowski Bros.) |
| Various Short Stories (2004-2007) |
| The Strange Case of the Storm at Sea (2011) | (co-writer, as Gus Zins.) |
|
| MUSICAL PERFORMER |
| Samuel Otten - Songs Left Unsung (2002) |
| Sam Otten - The Government Project (2002) |
| Live Geeks - Beowulf Single (2002) | lead vocals
guitars |
| The Rudyard Mens' Group - The Rudyard Mens' Group (2002) | tenor II
accompaniment |
| Carlos de Mingo - The Spanish Sessions (2003) | vocals
accompaniment |
| The Fibarbarians - Cabin Jam (2003) | lead guitar |
| Samuel Otten - Winter Demos (2004) |
| Sam Otten - Rock Demos (2006) |
| The Otten Bros - The BEACHketball EP (2007) | backing vocals
guitars
synths |
| Sam L - The Indian Sessions (2007) | high piano on "Rapids" |
| The Dale Bergman Duo - The Sax Sessions (2008) | piano |
| Samuel Otten - The Illustrated Man (2008) |
| The Otten Bros - The Hot Dog Song Single (2008) | instruments
backing vocals |
| Sam Otten - Music to Accompany Marriage (2009) |
| Sam Otten - A Song About You Single (2009) |
| Live Geeks - The Cavanaugh EP (2009) | guitar |
| The Dale Bergman Duo - Extended Sessions (2010) | piano |
| Dolsen Elementary - Dolsen's Demos (2011) | accompaniment |
|
| COMPOSER |
| Samuel Otten - Songs Left Unsung (2002) |
| Sam Otten - The Government Project (2002) |
| The Rudyard Mens' Group - The Rudyard Mens' Group (2002) | The Toronto Song
The Men's Group Theme |
| Carlos de Mingo - The Spanish Sessions (2003) | with Charlie |
| The Fibarbarians - Cabin Jam (2003) | with John Johnson & Lucas Otten |
| Sam Otten - Rock Demos (2006) |
| Samuel Otten - The Illustrated Man (2008) |
| The Otten Bros - The Hot Dog Song Single (2008) |
| Sam Otten - A Song About You Single (2009) |