He has played an assortment of roles in various television shows, including Totally Outrageous Behavior and The Strange Case of Dr. Jekyll and Mr. Hyde.
One of Muscat's earliest roles was in the 1973 film, The Last American Hero which starred Jeff Bridges and Valerie Perrine.
[1] The following year he had a supporting role as Clarence in the 1974 film Hot Summer in Barefoot County.
[2] He was Howard Tindell in the William Malone directed horror / sci-fi film, Scared to Death.
It was a film about stolen atomic bombs which starred Gregg Henry, Leslie Nielsen and Stack Pierce.