A distraught disc jockey seeks out a mystery caller who may be the killer of his girlfriend.
Gregory Hines
as Mark Jannek / Jim Sheppard
Debrah Farentino
as Karen / Laura
Harold Ayer
as
Laura Harrington
as Susan
Gloria Reuben
as Judy
Beau Starr
as Lieutenant Marvin Gagglis
Michael Harris
as Fred Ridder
Eric Boles
as Dr. Stein
Joe Colligan
as Ted St. James
Veronica Cartwright
as The Caller
W. Earl Brown
as Ken
John Hawkes
as Morton
