Koko: The Gorilla Who Talks to People

Bertie Carvel

Narrator (voice)

Koko

Self

Penny Patterson

Self

Dale Djerassi

Self

Lisa Schuster

Self

Ann Southcombe

Self

Mitzi Phillips

Self

Robin Williams

Self (archive footage)

Leonardo DiCaprio

Self (archive footage)

Peter Gabriel

Self (archive footage)

Isabella Rossellini

Self (archive footage)

William Shatner

Self (archive footage)