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Validity poster

Validity Cast & Characters

Validity (2026) stars Amy Marsalis as Dr. Sidney Randall, Dominique Brock as Dr. Nancy Gaines and Daniel V. Klein as Dr. Arthur Cohen. The drama movie was released May 2, 2026. Below is the full cast and crew.

2026
Movie Trailers
Movie Trailers
Starring Cast
A
Amy Marsalis
Dr. Sidney Randall
D
Dominique Brock
Dr. Nancy Gaines
D
Daniel V. Klein
Dr. Arthur Cohen
R
Randy Kovitz
Dr. Mark Klein
L
Lisa Ann Goldsmith
Dr. Mira Siegel
K
Ken Bolden
Dr. Arnold Anderson
Key crew
Director
Randy Kovitz
Screenplay
Kate Vargish
Producers
Randy Kovitz , Kate Vargish
Cinematography
Mark Knobil

Full cast

10 cast members
Amy Marsalis
Dr. Sidney Randall
Dominique Brock
Dr. Nancy Gaines
Daniel V. Klein
Dr. Arthur Cohen
Randy Kovitz
Dr. Mark Klein
Lisa Ann Goldsmith
Dr. Mira Siegel
Ken Bolden
Dr. Arnold Anderson
Joseph Martinez
Dr. Hector Avery
Jason McCune
Mitchell
David Ogrodowski
Sam
Wali Abdullah
Laboratory Janitor

Crew by department

7 crew members

Writing

Kate Vargish
Writer

Production

Kate Vargish
Producer
Randy Kovitz
Producer

Other

Morgan Seiff
Script Supervisor