Primary

John F. Kennedy

Self

Hubert H. Humphrey

Self

Jacqueline Kennedy

Self

Robert F. Kennedy

Self

Muriel Humphrey

Self

Robert Drew

Self

Joseph McBride

Self - Kennedy Volunteer

Joseph Julian

Narrator (voice)

Philleo Nash

Self

Pierre Salinger

Self (uncredited)

Clement John Zablocki

Self (uncredited)