It's Alive

John P. Ryan

Frank Davis

Sharon Farrell

Lenore Davis

Andrew Duggan

The Professor

Guy Stockwell

Bob Clayton

James Dixon

Lt. Perkins

Michael Ansara

The Captain

Robert Emhardt

The Executive

William Wellman Jr.

Charley

?

Shamus Locke

The Doctor

?

Nancy Burnett

Nurse

Daniel Holzman

Chris

?

Diana Hale

Secretary

?

Patrick McAllister

Expectant Father

?

W. Allen York

Expectant Father

Gwil Richards

Expectant Father