'Man O'War' by Larry Alexander

Mad scientist Mr. Schubert uses his genetic skills to create a giant Portuguese Man O'War, and threatens to unleash it on the competitors at an international swimming gala unless his extortion demands are met. Setting off with Elizabeth and C.W. in the Cetacean, Mark must find a way to stop the terrifying jellyfish and end Schubert’s insane scheme…

Patrick Duffy (Mark Harris), Belinda Montgomery (Doctor Elizabeth Merrill), Alan Fudge (C.W. Crawford), Robert Lussier (Brent), Richard Williams (Jomo), J. Victor Lopez (Chuey), Jean Marie Hon (Jane), Anson Downes (Allen), Victor Buono (Mr. Schubert), Gary Owens (Announcer), Harvey Jason (Dashki), Robert Lussier (Brene)

Directed by Michael O'Herlihy
Produced by Herman Miller

Executive Producer Herbert F. Solow

TX (US): 1st November 1977

Notes:
*Featuring Mark Harris, Doctor Elizabeth Merrill and C.W. Crawford