- Gregory J. Barnett as Jim Barnett
- Billy Beck as Fisherman
- Mitchell Flyer as Steve Flyer
- Lance Gilbert as Ron
- Christopher Murphy as Scott
IN DEEP - Playing hooky from summer school, Lieutenant Mitch Buchannon's son Hobie gets dangerously involved with reckless power skiers while other members of the L.A. County lifeguard team deal with personal secrets.
- In more recent re-runs of Baywatch, the Season 1 theme song "Save Me" by Peter Cetera is replaced with a different song, "Overboard" by Kim Carnes.
- The character Eddie Kramer is based on real-life L.A. County Lifeguard, Mitch Flyer, who makes an appearance in this episode as lifeguard Steve.