Dr. Doug Standish
Dr. Maggie Hanford
Dr. Craig Mosby
Dr. Phil Volker
Hank Stahl
Dr. Orin Hillyard
Dr. August Boren
Brinkman
Prof. Uji Hamaru
Capt. of Diligence
Sonar Man
Vice President
Jack Smith
Lt. Coast Guard (as George DeVries)
Officer
Technician
Secretary
Pilot