While diving in Lake Ontario, Mike is sent by the Coast Guard to investigate an item that crashed into the lake nearby, which may be an enemy ICBM.
| Name | Type | Role | |
|---|---|---|---|
| Stanley H. Silverman | Writer | ||
| Dick Jefferies | Guest Star | ||
| Nick Nicholson | Guest Star | ||
| Robert Gist | Guest Star | ||
| Gordon Mills | Guest Star | ||
| Robert Millar | Guest Star | ||
| Leon Benson | Director |