Patty Duke

Anna Marie Duke/ Patty Duke

Timothy Carhart

Harry

Howard Hesseman

John Ross

Deborah May

Ethel Ross

Ari Meyers

Patty Duke, as a youth

Millie Perkins

Frances Duke

Jenny Robertson

Patty, as a young adult

Arthur Taxier

John Astin

Matthew Perry

Desi Arnaz Jr.

Karl Malden

Doctor Harold Arlen