Kevin Corcoran as Toby Tyler

Bob Sweeney as Harry Tupper

Henry Calvin as Ben Cotter

Gene Sheldon as Sam Treat

Richard Eastham as Colonel Sam Castle

James Drury as Jim Weaver

Barbara Beaird as Mademoiselle Jeanette

Dennis Olivieri as Monsieur Ajax

Edith Evanson as Aunt Olive

Tom Fadden as Uncle Daniel

The Marquis Chimps as The Marquis Family

Walter Bacon as Circus Spectator

Alex Ball as Circus Spectator

Brandon Beach as Circus Spectator

Arline Bletcher as Circus Spectator

Paul Bradley as Parade Onlooker (uncredited)

Chet Brandenburg as Circus Worker

William Challee as Jailbird

Dick Cherney as Circus Spectator

Noble 'Kid' Chissell as Roustabout

John Cliff as Roustabout

James Dietrich as Worker Playing Calliope

Ken DuMain as Circus Spectator

'Eddie Spaghetti' Emerson as Ringling Brothers Clown

Ben Frommer as Circus Spectator

Abe Goldstein as Ringling Brothers Clown

Babs Graham as Aerialist

Del Graham as Aerialist

Carol Henry as Roustabout

Duke Johnson as Ringling Brothers Clown

Harry C. Johnson as Ringling Brothers Clown

Kenner G. Kemp as Parade Onlooker

Jess Kirkpatrick as Sheriff

Dave Knupp as Aerialist

Bob LaWandt as Circus Spectator

Perk Lazelle as Circus Spectator

Ruth Lee as Wife - Circus Spectator

Herbert Lytton as Townsman

Thomas Martin as Circus Spectator

Kermit Maynard as Roustabout

Michael McGreevey as Concession Worker

William Meader as Parade Onlooker

Howard Negley as Ticket-Taker

William Newell as Jailbird

William H. O'Brien as Circus Spectator

Anthony Redondo as Circus Spectator

Al Roberts as Circus Spectator

Henry Rowland as Circus Cook

Phil Schumacher as Roustabout

Barry Seltzer as Undetermined Secondary Role

Robert Shayne as Husband - Circus Spectator

Olan Soule as Circus Spectator Obstructed by Toby

Charles Sullivan as Roustabout

Guy Wilkerson as Townsman

Sam Harris as Circus Spectator

James MacDonald as Drummer (uncredited)

Oliver Wallace as Bandleader