Blinded by the Light (TV)

Director: John A. Alonzo
Cast: Anne Jackson, Jenny O'Hara, Jimmy McNichol, Keith Andes, Kristy McNichol, Michael McGuire, Phillip R. Allen, Sandy McPeak

Synopsis:

When teenager David Bowers renounces his home and family to run off with a quasi-religious cult, his sister, Janet, sets out to bring him back, very nearly becoming brainwashed herself.