Robert Drew

Self

Hubert H. Humphrey

Self

Muriel Buck Humphrey

Self

Joseph Julian

Narrator (voice)

Jacqueline Kennedy

Self

John F. Kennedy

Self

Robert F. Kennedy

Self

Joseph McBride

Self - Kennedy Volunteer

Philleo Nash

Self

Pierre Salinger

Self (uncredited)

Clement John Zablocki

Self (uncredited)