The Effect of Gamma Rays on Man-in-the-Moon Marigolds_
"Life's been a real bitch to Beatrice Hunsdorfer. And vice versa."
Middle-aged widow Beatrice Hunsdorfer and her daughters Ruth and Matilda are struggling to survive in a society they barely understand. Beatrice dreams of opening an elegant tea room but does not have the wherewithal to achieve her lofty goal. Epileptic Ruth is a rebellious adolescent, while shy but highly intelligent and idealistic Matilda seeks solace in her pets and school projects, including one designed to show how small amounts of radium affect marigolds.
Starring
Joanne Woodward, Roberta Wallach, Judith Lowry
Updated Feb 16, 2026
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Cast
Joanne Woodward →
Joanne Woodward stars as Beatrice Hunsdorfer in The Effect of Gamma Rays on Man-in-the-Moon Marigolds.
Joanne Woodward →
Year context
The Effect of Gamma Rays on Man-in-the-Moon Marigolds was released 54 years ago in 1972.
Overview
Middle-aged widow Beatrice Hunsdorfer and her daughters Ruth and Matilda are struggling to survive in a society they barely understand. Beatrice dreams of op...
The Effect of Gamma Rays on Man-in-the-Moon Marigolds is a Drama film with a runtime of 1h 40m.
CAST (10)
Joanne Woodward
Beatrice Hunsdorfer
Roberta Wallach
Ruth Hunsdorfer
Judith Lowry
Nanny
Nell Newman
Matilda Hunsdorfer
David Spielberg
Mr. Goodman
Richard Venture
Floyd
Carolyn Coates
Mrs. McKay
Will Hare
Junk Man
EO
Estelle Omens
Caroline
JO
Jess Osuna
Sonny
DETAILS
FREQUENTLY ASKED QUESTIONS
What is The Effect of Gamma Rays on Man-in-the-Moon Marigolds about?
Middle-aged widow Beatrice Hunsdorfer and her daughters Ruth and Matilda are struggling to survive in a society they barely understand. Beatrice dreams of opening an elegant tea room but does not have the wherewithal to achieve her lofty goal. Epileptic Ruth is a rebellious adolescent, while shy but highly intelligent and idealistic Matilda seeks solace in her pets and school projects, including one designed to show how small amounts of radium affect marigolds.
How long is The Effect of Gamma Rays on Man-in-the-Moon Marigolds?
The Effect of Gamma Rays on Man-in-the-Moon Marigolds has a runtime of 100 minutes (1h 40m).
Who stars in The Effect of Gamma Rays on Man-in-the-Moon Marigolds?
The cast of The Effect of Gamma Rays on Man-in-the-Moon Marigolds includes Joanne Woodward, Roberta Wallach, Judith Lowry, Nell Newman, David Spielberg.
What is the rating of The Effect of Gamma Rays on Man-in-the-Moon Marigolds?
The Effect of Gamma Rays on Man-in-the-Moon Marigolds has a rating of 7.3 out of 10 based on 61 votes on TMDB.
GENRES (1)
Drama