Charles McGraw
Agent Joe Flagg
Jack Webb
Narrator
Lana Wood
Fran Harper
William Conrad
Keegan
Timothy Brown
Tim Shelley
John Davis Chandler
Al Garver, the Henchman
James McEachin
Timothy
David Janssen
James O'Hara
Gary Crosby
Harry Fish
Ed Peck
George Foley, SAC
Stacy Harris
Agent Ben Hazzard
Jack Ging
Agent Garrick
Joe E. Tata
Special Agent Bertino
Mike Road
Russ Novack
John McCook
Capt. Shafer
Burt Mustin
Len Clancy
Robert Dowdell
Maj. Tony Puller USMC
Jerome Thor
Marty Baron