Acting
100 Greatest Songs of the '80s
Self
2006
Canadian Idol
2003
Freaks and Geeks: The Documentary
2018
Dennis DeYoung and the Music of Styx - Live in Los Angeles
Himself (Vocals / Keyboards)
2014
Styx - Caught In The Act
Himself (Vocals / Keyboard)
2007
Styx - Return to Paradise
1997
Kilroy Was Here
Robert Orin Charles Kilroy (R.O.C.K.)
1983
