The F.B.I.

Quinn Martin

Philip Saltzman

Efrem Zimbalist Jr.

Inspector Lewis Erskine, Lewis Erskine

Philip Abbott

Arthur Ward

William Reynolds

Special Agent Tom Colby, Franklin Benton, SAC Kendall Lisbon

Stephen Brooks

Jim Rhodes

Shelly Novack

Agent Chris Daniels, Chris Daniels

John Mayo

Document Examiner, 1st Bureau Supervisor, Agent, Ballistics Technician, Bureau Supervisor, Carter Gentile, Cryptanalyst, Examiner, FBI Lab Examiner, FBI Technician, Jim Woods, Lab Man, Lab Technician, Petrographic Examiner, Special Agent, Todd Elkton

Dean Harens

SAC Bryan Durant, SAC Bryant Durant, Alvin Forest

Lew Brown

SAC Allen Bennett, Document Examiner, Agent Perry Farrar, FBI Lab Technician, Firearms Expert, Firearms Technician

Anthony Eisley

SAC Chet Randolph, Agent Edward Wright, Kirby Greene

James W. Gavin

FBI Helicopter Pilot, Helicopter pilot, Helicopter Pilot, Gerald James Pilot, Pilot, Storey

Lynn Loring

Barbara Erskine

Robert Knapp

Agent Noel McDonald, SAC Noel McDonald, Agent #2, First Special Agent, Ken Warren, Lee Amboy, Noel McDonald, Special Agent, Special Agent Lawrence Douglas, Special Agent White

David Brandon

FBI Agent, Dayton Carter, John Powell, RA, S.A. Porter, S.A.C. Douglas Parker, S.A.C. Larry Douglas, Special Agent, Supervisor

Buck Young

Agent #1, Agent No. 1, Davis, FBI Agent Lamar Hughes, Gregory Lucas, Jerry Smith, Museum Guard Terrell, Peter McGrath, S.A.C. Brockton, SAC Bennett Adams, SRA Mel Greevy, Sheriff Benson

James Sikking

Hair and Fibers Expert, Technician, Agent Al Harte, Agent Marley, FBI Firearms and Ballistics Technician, RA Dan Menaphee, SA Ed Spanger, SRA Herbert Withers, Second Special Agent

Dallas Mitchell

Agent Pete Allen, Alden Rice, FBI Agent, Lee Burroughs, New Jersey Agent, S.A.C. Taft, SAC Rice, SAC Ted Cullinan, Special Agent Barton, Special Agent Lawrence, Vernon Taft

Garrison True

Agent, Agent #1, Bellboy, County Sheriff, Cpl. Eaton, FBI Agent at Fishing Store, George Harris, Helicopter Lookout Man, Lieutenant j.g., Special Agent

Scott Marlowe

Clenard Massey, Bob Stern, Casey, Charles Nyack, Duke Bergan, Eugene Waring, Ray Curtis, Ricky Kriton, William Rockhill

Forrest Compton

Glenn Orland, Agent Roy McAdams, Bernard Stoddard, Dale Newton, George Lith, RA Martin Boles, SAC Anthony Harper, SAC Edgar Brocton, Special Agent Henry Andover

James Nolan

Bartender, Building Supervisor, Cab Driver, Father Conforti, Neighbor, New York State Policeman, Security Guard, Sheriff, Shifter Hogan, Sprall

Quinn Martin

Philip Saltzman