David Janssen

James O'Hara

Lana Wood

Fran Harper

Jerome Thor

Marty Baron

Gary Crosby

Harry Fish

Charles McGraw

Agent Joe Flagg

Jack Ging

Agent Garrick

Stacy Harris

Agent Ben Hazzard

William Conrad

Keegan

Jim B. Smith

Phil Phillips

Ed Peck

George Foley, SAC

Mike Road

Russ Novack

Joe E. Tata

Special Agent Bertino

John Davis Chandler

Al Garver, the Henchman

Burt Mustin

Len Clancy

James McEachin

Timothy

Timothy Brown

Tim Shelley

John McCook

Capt. Shafer

Jack Webb

Narrator

Robert Dowdell

Maj. Tony Puller USMC

Fred Holliday

Lew Brown