Clare Balding

Narrator (voice)

Nicole Scherzinger

Self

Bill Clinton

Self

Eunice Kennedy Shriver

Self (archive footage)

John F. Kennedy

Self (archive footage)

Timmy Shriver

Self

Bobby Shiver

Self

Maria Shiver

Self

Jacqueline Kennedy

Self (archive footage)

Robert F. Kennedy

Self (archive footage)

Harry S. Truman

Self (archive footage)

Nadia Comăneci

Self

Didier Drogba

Self

Christopher Reeve

Self (archive footage)

Hillary Clinton

Self (archive footage)

Nelson Mandela

Self (archive footage)

Bertie Ahern

Self

Tony Blair

Self (archive footage)

Muhammad Ali

Self (archive footage)