Eric Shea

Clay O'Brien

Richard Bakalyan

Jaclyn Smith

Cathy Martin

John Colicos

Moroni

Milton Frome

Carnival Barker

Ted Gehring

Officer Jim Moody

Jack Kruschen

Abner Denby

John Lupton

Mr. Fernald

Ronnie Schell

Deputy Scruff

Hal Smith

Carnival Barker

Ed McCready

Carnival Barker

Richard O'Brien

Ted Christy

Carnival Goer (uncredited)

Chester Hayes

Stiltwalker (uncredited)

Kim Richards

Daphne 'Daffy' Fernald

The Whiz Kid and the Mystery at Riverton

The Whiz Kid and the Carnival Caper