Edmon Ryan

as Rear Admiral Bellinger

as McKittreck

as Stuart Warren

as Jason Porter

as Col. Joe Fenton (1 episode)

as Admiral Hoyle

as Sam

as Gavin

as Dr. Davis (1 episode)

as Ralph Wheeler (1 episode)

as Frank Taubman

as Lt. John Huntley (1 episode)

as Bill Revere (1 episode), as Mr. Hallerton (3 episodes)

as Fred Jenkins (1 episode)

as Capt. Pete Jago (1 episode)

as William P. Selby, Attorney

as The Lawyer (1 episode)

as Jerome Stokes (1 episode), as Arthur Morrell (1 episode), as Lewis Ames (1 episode)

as Bryson Harcourt

as (voice)