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)