Filmes atuados
The Godson
Guy with Barbara and Brunette (uncredited)
Legends of the Dark Knight: The History of Batman
Himself
Shadows in the Dark: The Val Lewton Legacy
Self
Pencils Down! The 100 Days of the Writers Guild Strike
Self
Filmes dirigidos
O Menino e seu Cachorro
Novel
The Oscar
Screenplay
O Exterminador do Futuro
Thanks
Homem-Formiga e a Vespa: Quantumania
Thanks
Séries atuadas
Babylon 5
Sparky the Computer (voice)
The Center Seat: 55 Years of Star Trek
Self (archive footage)
Babylon 5
Psi Cop
Babylon 5
Zooty (voice)
Os Simpsons
Harlan Ellison (voice)
Scooby-Doo! Mistério S/A
Self (voice)
Séries dirigidas
O Agente da U.N.C.L.E.
Writer
Jornada nas Estrelas
Writer
Viagem ao Fundo do Mar
Writer
Babylon 5
Writer
Além da Imaginação
Writer
A Estrela Perdida
Writer
Burke's Law
Writer
Masters of Science Fiction
Writer