A bookkeeper is robbed and murdered at a circus. A clown named Laslo is identified as the killer. Ballinger and the rest of M squad have to deal with how Laslo could have committed the crime while performing in front of 5000 people in the main tent.
| Name | Type | Role | |
|---|---|---|---|
| Maxwell Shane | Writer | ||
| Stuart Jerome | Writer | ||
| Regina Gleason | Guest Star | ||
| George Eldredge | Guest Star | ||
| Don 'Red' Barry | Guest Star | ||
| Lee Miller | Guest Star | ||
| Alan Reed | Guest Star | ||
| Art Lewis | Guest Star | ||
| Dan Riss | Guest Star | ||
| Joseph Mell | Guest Star | ||
| Don McDougall | Director |