Dr Phil Harmon is attacked by a shark. He radios to bring a rare blood type that can save his life.
| Name | Type | Role | |
|---|---|---|---|
| Peter L. Dixon | Writer | ||
| Bob Spies | Guest Star | ||
| William Traylor | Guest Star | ||
| Jessie Walter | Guest Star | ||
| Hollingsworth Morse | Director | ||
| Ivan Tors | Director |