Michael Joseph Cassutt (born April 13, 1954) is an American television producer, screenwriter, and author. His notable TV work includes producing or writing, or both, for The Outer Limits, Eerie, Indiana, Beverly Hills, 90210, and The Twilight Zone. In addition to his work in television, Cassutt has written over thirty short stories, predominately in the genres of science fiction and fantasy. He has also published novels, including the 1986 The Star Country, the 1991 Dragon Season, the 2001 Red Moon and the 2011 Heaven's Shadow, in collaboration with David S. Goyer. In addition, Cassutt contributes non-fiction articles to magazines and is the author of the non-fiction book, Who's Who in Space.
Although born in Owatonna, Minnesota, Cassutt was raised in Hudson, Wisconsin, where he graduated from Hudson High School. He attended the University of Arizona in Tucson, graduating with a Bachelor of Arts degree in radio-television. He then worked as a disc jockey and radio program director and as a network television executive for CBS. During his time at CBS he contributed freelance scripts to such television series as Alice and The Twilight Zone.
A full-time writer since 1985, Cassutt was staff writer for the 1985 revival series, The Twilight Zone, story editor for the acclaimed Max Headroom series on ABC, and writer-producer for the CBS series TV 101.