Gregory Hines
— Mark Jannek / Jim Sheppard
Debrah Farentino
— Karen / Laura
Harold Ayer
Laura Harrington
— Susan
Gloria Reuben
— Judy
Beau Starr
— Lieutenant Marvin Gagglis
Michael Harris
— Fred Ridder
Eric Boles
— Dr. Stein
Joe Colligan
— Ted St. James
Veronica Cartwright
— The Caller
W. Earl Brown
— Ken
John Hawkes
— Morton
Ron Recasner
— Dr. Reinhart
Milt Tarver
— Orr
Steve Jackson Wilde
— Kyle Dean
Linda Wang
— Cindy