Special Guest Stars Ken Berry as London Guest Stars Billy Barty as Owen Harriet Gibson as Annabelle Co Starring Ketty Lester as Hester-Sue Terhune Michelle Downey as Susan Goodspeed Carl Carlson as Clown #2 John Hayes as Stilt Clown Sandy Gross as Tumbler Paula Crist as Tumbler Russ Saunders as Tumbler Bob Yerkes as Tumbler Bob Moore's Mongrels as Dog's Act Carol Buckley as Elephant Trainer Tara the Elephant as Herself Dorothea Sabina Nock as Rope Walker Nate Stein as Rope Walker Danny Rees as Clown #3 Robert Wexler as Clown #1 De'voreaux White as Roscue The Great John L. as Strong Man Uncredited Wendi Turnbaugh as Grace Ingalls Brenda Turnbaugh as Grace Ingalls Wendy Wells-Gunkel as Classroom Student