Characters played by David Graham
Dr. Horatio Beaker
Mitch the Monkey
Zarin
Bill Gibson
Ben Judd
1st New York Police Officer
Colonel Humberto Maguava
Diver Johnson
Elevator 1
General Sebastian Maguava
Guard
Herman Gredenski
Ho Meng
Hopkins
Inspector
J. Farleigh Prothero
Jason
Jazz
Joe Anna
Kalmus
King Kool
Lieutenant
Maxie Hoyle
Mitch The Monkey
Mitch's Girlfriend
Monsieur Laval
Morse Operator
Mr. Bell
Mustapha Bey
Newsreader
President Gourmet
Professor Harlow
Professor Terman
Professor Watkins
Raman
Shackleton's Buyer
Sheriff Elmer P. Jackson
South Dakota
Steindorf
Storekeeper Andy
The Big Man
Uncle Angus McCrail
Warrior
Characters played by Graydon Gould
Mike Mercury
Narrator
2nd New York Police Officer
Bud
Bud Hamburger
Captain Ross
Colonel Harris
Colonel Lewis
Commander Phil Keefe
Dr. Harvey
Film Narrator
Hudson Field Rescue
Jason Munroe III
Jodie
Joe Hoyle
Minion
Mr. Feng
Newsreader
Patterson Field
Prince Nour'ed Hassan
Radio Announcer
Red James
Characters played by Sylvia Anderson
Jimmy Gibson
Aunt Heidi
Felicity Farnsworth
Secretary
Zizi
Eileen O'Farrell
Freda
Lotus Blossom
Miss Chevenitch
Princess Caroline
Princess Medina
Receptionist
Shopper
Switchboard Operator
Characters played by George Murcell
Professor Rudolph Popkiss
Masterspy
Additional Voices
Harper
Alif Bey
Black Morgan
Campbell
Cape Canaveral
Captain
USS Mistral
Jody Mettern
John Fraser
Mr. O'Farrell
Navy 49
Robots
Sentry
Spyros the Bandit
Characters played by Cyril Shaps
Professor Rudolph Popkiss
Masterspy
Croupier
Diver Foreman
Doctor Clive Maslin
Lieutenant Soir
Planitimus
Professor Carl Karzinsky
Professor Karloff
Radio Announcer
Sam Weston
Shackleton
