John Tracy / The Hood (voice)
Ramsden (6 episodes)
John Tracy / The Hood (voice) (3 episodes)
Ramsden
Bill Perry
Old Cliff Kirby (2 episodes)
Old Cliff
Barry Hill (3 episodes)
Tarquin St John Smythe
Len Taylor (35 episodes)
Maurice Stubbs
Jack Dunne
Brian Connor
Colonel Forsythe (1 episode)
Wal Moynihan
Old Burkey
Frank
President of the Bench
J.L. Weston
Bael
Robert McCullough
Frank Watson (1 episode)
Harry Benson
Bubbles
MacLeary
Geoffrey
Narrator
Sam Elliott
Michael Stacey
F.C.O. Webster
John Tracy / U.S.N. Sentinel Commander / Compère / 1st Site Control Policeman (voice)
Colonel Harris / Colonel Benson / Rick O’Shea (voice)
Commander Sam Shore / Sub-Lieutenant John Horatio Fisher / King Titan / Various Characters (voice)
Gov. Bligh (1 episode)
John Tracy / The Hood / Lieutenant Burroughs / Patterson (voice)
Parnell
Commander Shore / Sub-Lieutenant Fisher / Titan (voice)
Alec Hamilton (6 episodes)
Jack Deakin
Dr. McLeod
Harry Jarrett (5 episodes)
Leo Hennessey (1 episode)
Joe Blake
Flt. Lt. Jack Collins (1 episode)
Phil Burgh (1 episode)
Melville Hayden-Peters (1 episode)
Harry
Australian
John Tracy / The Hood (voice)
Harry George Spalding
Walker (1 episode)
USS, Sentinel Commander/Policeman - Site Control/TV Compere (voice)
John Tracy/The Hood/Alan Tracy/Fireflash Co-Pilot/Assistant Controller/Harris/TX 204 Pilot (voice)
Deborah, Duchess of Royston / Brophy / Fireflash Co-Pilot / Percy's Friend (voice) (23 episodes)
Colonel Harris / Colonel Benson (voice) (1 episode)
Dr. Orchard (voice) (1 episode)
Atom Sub Reefer Captain / TV Reporter (voice) (1 episode)
Jansen (voice) (1 episode)
John Tracy (32 episodes)
Peter Thornton (136 episodes)
Robert Carne (1 episode)
Willie Kinsall (1 episode)
Commander Sam Shore (40 episodes)
Health Inspector Bennett
Henry Fraser
Bert West (1 episode)
Charlie West (1 episode)
Sgt Gorman
Dr Alan Whint (1 episode)
Maxwell
Man at Pub / Two-Up Game (uncredited)
