Tommy Rettig Jeff Miller Actor Jan Clayton Ellen Miller Actor George Cleveland Gramps Actor Joey D. Vieira Porky Brockway Actor Arthur Space Doc Weaver Guest Star Trevor Bardette Joe King Guest Star Richard Garland Clay Horton Actor Gay Goodwin Diane Carroll Guest Star Marjorie Bennett Birdie Brockway Guest Star Florence Lake Jennie Guest Star Almira Sessions Louise Guest Star Don Beddoe Pokey's Owner Guest Star Ken Osmond Delivery Boy Guest Star Paul Maxey Matt Brockway Guest Star John Pickard Curran Guest Star Milton Frome Harry Houston Guest Star Terry Ann Ross Dog Pound Secretary Guest Star Edmund Hashim Bakka Guest Star Vera Marshe Ida Houston Guest Star Forrest Taylor Judge Amos Porter Guest Star Lesley Selander Director Philip Ford Director Claire Kennedy Writer Sumner Arthur Long Writer Thelma Robinson Writer Eric Knight Writer, Director Joel Andrews Writer John McGreevey Writer Marianne Mosner Writer Leonard Freeman Director, Writer Paul David Writer Maurice Geraghty Director Jackson Gillis Writer Lillie Hayward Writer Barney Slater Writer David Dortort Writer David Victor Writer Richard Sanville Writer