(written from a Production point of view)
Kennelly was featured in the sport comedy Blue Skies Again (1983, with Raymond Forchion), the film The Fun House, the drama Harry & Son (1984), and the crime drama Stick (1985, with Castulo Guerra, Sachi Parker, and Dave Cadiente).
Besides his appearance on Star Trek, Kennelly was also featured in the action drama Nowhere Land (1998, with Dina Meyer, Ted Barba, Cole McKay, and Jennifer Caputo) and had guest roles in episodes of The Guardian (2002, with Raphael Sbarge and Sarah Rayne), Resurrection Blvd. (2002, with Tony Plana), Alias (2003, with Greg Grunberg, Victor Garber, Bill Bolender, Andrew Borba, Brad Greenquist, and Adrian Sparks, and Lab Rats (2012).
Kennelly also worked on a number of plays such as "The Lion King", "Cats", "Crazy for You", "Evita", "Me and My Girl", "Singin' in the Rain", and "Guys and Dolls".