 | Craig McCoy |
 | Jean Gregory |
 | Col. Nathan B. Gregory |
 | Maj. Evans, company owner |
 | Green, a director |
 | Danby, a director |
 | Ames, a director |
 | Ward, a director |
 | Billy Little, the midget (as Little Billy) |
 | Frederick 'Pat' Kelly, the barker (as Ernie S. Adams) |
 | Henchman Gardner |
 | Henchman Tim Moore |
 | Henchman Boyle |
 | Bob, the clown [Chs. 8-9] |
 | Callahan, Policeman at circus (as Monty Montague) |