Burt Young
— Harry Costas
Lainie Kazan
— Helga Costas
Brad Dourif
— Mitch Marlowe
Brenda Bakke
— Rosie
Al Ruscio
— Detective Hill
Timothy Leary
— Dr. Kyle
Alex Winter
— Timmy
Sy Richardson
— Marv
Frances Bay
— Gertrude
Grand Mixer DXT
— Marv
Richard Assad
— Mole
Richard Green
— Lou
Larry Storch
— Willie
Joanne Baron
— Ruth
Symie Dahut
— Tart
Mel Welles
— Doctor
George Ortuzar
— Dr. Kyle's Assistant
Lou Cutell
— Desk Sergeant
Nicholas Love
— Sigfried
Jane Cantillon
— Young Helga
Milly Del Rubio
— Herself
Elena Del Rubio
— Herself
Eadie Del Rubio
— Herself
William Hoprasatsuk
— Robards
Gary Ellenberg
— Frank
Christin Dante
— Starlet
Jim Stevenson
— Pianist
Danny Tate
— Saints & Sinners Guitar
Chelsea Rae
— Saints & Sinners Bass/Vocals
Marshall Rohner
— Saints & Sinners Lead Guitar/Vocals