Lab Tech

Bob Angelini

Acting

Dr. William Lemmon

Bern Cohen

Acting

Stephanie LaFarge

Reagan Leonard

Acting

Self (archive footage)

Nim Chimpsky

Acting

Self

Stephanie LaFarge

Acting

Self

Herbert Terrace

Acting

Self (archive footage)

Wer LaFarge

Acting

Self

Jenny Lee

Acting

Self

Laura-Ann Petitto

Acting

Self

Bill Tynan

Acting

Self

Joyce Butler

Acting

Self

Renne Falitz

Acting

Self

Bob Ingersoll

Acting

Self

Alyce Moore

Acting

Self (as Dr. James Mahoney)

James Mahoney

Acting

Self

Henry Herrmann

Acting

Self (archive footage)

Cleveland Amory

Acting

Self

Marion Probst

Acting

Self

Chris Byrne

Acting

Signing Girl: re-enactment unit

Anna May Marsh

Acting

Renee Falitz: re-enactment unit

Sarah Sakaan

Acting

Beefy Guy: re-enactment unit

Dennis Lauricella

Acting

Beefy Guy: re-enactment unit (as Robert J. Nesi)

Robert Nesi

Acting

Laura-Ann Petitto: re-enactment unit

Scarlett Bermingham

Acting

Mike Devoe

Mike Devoe

Acting

Wer LaFarge: re-enactment unit (as Michael LePera)

Michael S. LePera

Acting

Nim Cimpsky - Reenactment Unit (uncredited)

Peter Elliott

Acting