Name: Interkosmos
Cast: Sigmund Jähn, Claus Grote, Valeriy Bykovsky, Yuri Gagarin, Valentina Tereshkova

Sigmund Jähn

(Self)

Claus Grote

(Self)

Valeriy Bykovsky

(Self (archive footage))

Yuri Gagarin

(Self (archive footage))

Valentina Tereshkova

(Self (archive footage))

Alexei Leonov

(Self (archive footage))