代表作
Lomax: The Hound of Music
2008 · Clark (voice) (as Jim Kroupa)
木偶出征百老汇
1984 · Additional Muppet Performer (voice)
太空木偶历险记
1999 · Additional Muppet Performer
Eureeka's Castle
Batley, Sir Klank, Giant
Sesame Street Jam: A Musical Celebration
1993 · Bird in La La Line(voice) (as James Kroupa)
布偶：给圣诞老人的信
2008 · Additional Muppets (voice)
Sesame Street: What's the Name of That Song?
2004 · Additional Muppet Performer