 Eli WallachArthur Mason | Arthur Mason |
 Julie HarrisGerrie Mason | Gerrie Mason |
 Deborah WintersMaxie Mason | Maxie Mason |
 Cloris LeachmanTina Hoffman | Tina Hoffman |
 Hal HolbrookDavid Hoffman | David Hoffman |
 Nehemiah PersoffDr. Salazar | Dr. Salazar |
 Mike KellinDr. Margolin | Dr. Margolin |
 Stephen McHattieArtie Mason | Artie Mason |
 Don ScardinoSandy Hoffman | Sandy Hoffman |
 Rue McClanahanDella | Della |
| SSandy AlexanderElliott | Elliott |
| BBruce ScottJack | Jack |
 Matthew CowlesWally | Wally |
 Janet SarnoNight Nurse | Night Nurse |
| PPaul GanapolerClub Owner | Club Owner |
 Marilyn ChrisDiscotheque Waitress | Discotheque Waitress |
| BBen YaffeeDiscotheque Owner | Discotheque Owner |
 Joseph LeonPrice Whitehead | Price Whitehead |
| JJohn BatisteTherapist | Therapist |
| RRon PanviniParty Musician | Party Musician |
| BBobby SandlerParty Musician | Party Musician |
| RRobert GassArtie's Group (as The Bead Game) | Artie's Group (as The Bead Game) |
| JJim HodderArtie's Group (as The Bead Game) | Artie's Group (as The Bead Game) |
| LLassie SachsArtie's Group (as The Bead Game) | Artie's Group (as The Bead Game) |
| JJohn SheldonArtie's Group (as The Bead Game) | Artie's Group (as The Bead Game) |
| KKenny Westland-HaagArtie's Group (as The Bead Game) | Artie's Group (as The Bead Game) |
 Rutanya AldaNurse (uncredited) | Nurse (uncredited) |
 Anthony D. CallDr. Lauran (uncredited) | Dr. Lauran (uncredited) |
| JJane CulleyNymphomaniac (uncredited) | Nymphomaniac (uncredited) |
 Anita DanglerBlonde Mother (uncredited) | Blonde Mother (uncredited) |
