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Raina Barrett as Test Girl / Various Roles |
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Bill Macy as Monte / Mute Physican / Various Roles |
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Margo Sappington as Cherie / Various Roles |
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Mark Dempsey as Alfred / Dr. Jaspers / Various Roles |
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Samantha Harper as Helen / Dumb Nurse / Various Roles |
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Patricia Hawkins as Jill / Various Roles |
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Mitchell McGuire as Dick / Various Roles |
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Gary Rethmeier as Dale / Pearloyster / Various Roles |
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Nancy Tribush as Jane / Sue Ellen / Dr. Bronson / Various Roles |
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George Welbes as Jack / Various Roles |
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Peter Lanigan as Himself (uncredited) |
| Directing | Jacques Levy | Director |
| Writing | Sam Shepard | Writer |
| Writing | Kenneth Tynan | Writer |
| Writing | ჯონ ლენონი | Writer |
| Writing | რობერტ ბენტონი | Writer |
| Writing | Jules Feiffer | Writer |
| Writing | Dan Greenburg | Writer |
| Writing | Jacques Levy | Writer |
| Writing | Leonard Melfi | Writer |
| Writing | David Newman | Writer |
| Writing | Margo Sappington | Writer |
| Writing | Sherman Yellen | Writer |
| Sound | Peter Schickele | Original Music Composer |
| Camera | Frank Biondo | Director of Photography |
