cast
- William Katt
- Elgin Smith
- Susan Dey
- Caroline
- John Heard
- David
- Beverly D'Angelo
- Shelley
- Robert Loggia
- John March
- Tom Lacy
- Professor Oxton
- Swoosie Kurtz
- Marsha
- June Barrett
- Felicia
- Pat O'Hara
- Zookeeper
- Judy Kerr
- Secretary
- Jenny Hill
- Girl in Bar
- Virginia Leith
- Mrs. March
/_derived_jpg_q90_80x60_m0/TheBlob1988-Still1.jpg?partner=allrovi.com){kind=small}
- Billy Beck
- Cafeteria Boss
crew
- Joan Darling
- Director
- David Foster
- Producer
- Lawrence Turman
- Producer
- Dave Freeman
- Screenwriter
- Jane Stanton Hitchcock
- Screenwriter
- Bobby Byrne
- Cinematographer
- Joel Sill
- Composer (Music Score), Musical Direction/Supervision
- John Barry
- Composer (Music Score)
- Riz Ortolani
- Composer (Music Score)
- Frank Morriss
- Editor
- Robert Luthardt
- Production Designer
- Donfeld
- Set Designer, Costume Designer
- David Dockendorf
- Sound/Sound Designer
- Glenn Anderson
- Sound/Sound Designer
- Phil Rawlins
- First Assistant Director
- Harold Brodkey
- Short Story Author
