Seržant Joe Friday spolu se svými kolegy, krůček po krůčku, vyšetřují zločiny v Los Angeles.
Seriál byl ve své době velmi populární. Dočkal se celkem tří seriálových remaků.
Režie: Jack Webb
Scénář: Jack Webb, Gene L. Coon, Frank Burt, James E. Moser
Produkce: Jack Webb
Kamera: Edward Colman
Hudba: Nathan Scott, Walter Schumann
Hraje: Jack Webb, Harry Morgan, Olan Soule, Dick Miller, Ray Saunders, Joe Turkel, Florence Marly, Sara Shane, Barbara Nichols, Mae Clarke, Pat Mowry, Hugh Sanders, George Barrows, Natalie Masters, Stuart Wade, Fess Parker, Luana Anders, Helen Walker, Mary Beth Hughes, John A. Alonzo, Dee Carroll, Len Lesser, William Tracy, Paul Burke, Hans Conried, Jeanette Nolan, Fay Spain, Coleman Francis, Maidie Norman, John Qualen, Tom Brown, Donald Buka, Willis Bouchey, Eugene Persson, John Mitchum, Gene Roth, Troy Patterson, Paul Picerni, Michael Ansara, Ben Wright, Ian Keith, James Griffith, Richard Garrick, Ben Alexander, Sarah Padden, Tommy Cook, Don 'Red' Barry, William Boyett, Will Wright, Malcolm Atterbury, Harry Harvey, Myrna Dell, Howard McNear, Dorothy Adams, Paul Brinegar, Peter Brocco, Walter Sande, Virginia Gregg, Dal McKennon, Paul Bryar, Earle Hodgins, Herb Vigran, Ben Welden, Dennis Moore, Paul E. Burns, Paul Frees, Frances Rafferty, Milburn Stone, Sam Gilman, Stafford Repp, Robert Brubaker, Pierre Watkin, Burt Mustin, Peter Miles, Douglas Kennedy, Ruta Lee, Sid Melton, James Anderson, Nancy Valentine, John Beradino, Marvin Bryan, John Dennis, Dudley Manlove, Paul Mantee, Norman Bartold, Frank Marlowe, Robert Knapp, Don C. Harvey, Clarence Straight, George Wallace, Doris Kemper, Robin Morse, Kevin Hagen, Robert Patten, Gail Bonney, Michael Morgan, Kenneth Harp, Diane Jergens, Shirley Mitchell, Lucien Littlefield, William Fawcett, Hal Taggart, Sidney Clute, William Henry, Robert Griffin, Charles Seel, Eve McVeagh, Larry J. Blake, John Pickard, Ralph Moody, Kip King, Ferris Taylor, Tom Greenway, Syd Saylor, Robert Bice, Jonathan Hole, Alvy Moore, John Zaremba, Joseph Mell, Peter Leeds, Booth Colman, William 'Billy' Benedict, Phil Arnold, Dayton Lummis, Jesslyn Fax, Paul Dubov, Philip Ahn, Kathryn McGuire, Simon Scott, Jack Mulhall, Frank Fenton, James Bridges, Kim Charney, James Bell, Elisabeth Fraser, Virginia Brissac, Mary Castle, Russ Conway, Paul Richards, Charles Watts, Lorna Thayer, Celia Lovsky, John Indrisano, Helen Brown, John Alvin, Joyce Jameson, Greta Thyssen, Edward Keane, Frank O'Connor, Amzie Strickland, Helen Spring, Yvette Vickers, Harlan Warde, Walter Reed, John Larch, Steve Mitchell, Richard Devon, Jan Merlin, Kathleen O'Malley, Eugene Iglesias, Myra Marsh, Jerry Hausner, Frank Sully, Robert Bray, Benny Rubin, George Chandler, James Bush, George Cisar, Anthony Jochim, Dan Riss, Richard Norris, Eve Brent, Peggy Maley, Cliff Arquette, Jack Lambert, Stacy Harris, Jeanne Baird, Peggy Webber, Theodore Marcuse, Bill Williams, John Gallaudet, Aaron Spelling, Steven Terrell, Steve Conte, John George, John Wengraf, Margo Woode, Bob Wehling, Ken Terrell, Allene Roberts, Helen Kleeb, Bart Burns, Morgan Jones, Nesdon Booth, Edmund Cobb, Beverly Washburn, John Hudson, Aileen Carlyle, Don Dillaway, Barbara Whiting, Taylor Holmes, Whitfield Connor, Ann Morrison, Joel Fluellen, Art Gilmore, Peggy King, Jack Mather, Gene Reynolds, Lewis Charles, Ralph Manza, Peter Adams, Richard Benedict, Sydney Mason, Todd Karns, Tol Avery, Billy Chapin, Harper Goff, Harry Bartell, Alan Reynolds, Rayford Barnes, Alfred Shelly, Lillian Powell, Bert Holland, John Goddard, Alan Dexter, Robin Raymond, Olive Carey, Claudia Bryar, Morey Amsterdam, Darlene Fields, Chuck Courtney, Ben Frommer, Barney Phillips, Tony Barrett, Irene Tedrow, Joe Corey, George Baxter, Thomas E. Jackson, Harry Harvey Jr., Pamela Duncan, Joe Cranston, Ramsey Williams, Alice Backes, Natalie Norwick, Louise Lorimer, Harry Hickox, William F. Leicester, Ken Miller, Than Wyenn, Wheaton Chambers, Sidney Miller, Jess Kirkpatrick, Marjie Millar, Robert Crawford Jr., Quintin Sondergaard, George Spaulding, Joey Ray, Renny McEvoy, Frank Gerstle, Nora Bush, Crane Whitley, Tracey Roberts, Bill Richmond, Howard Wendell, Ralph Reed, Wally Rose, Al Hill, John Close, Rodney Bell, Joel Marston, Fay Roope, Marshall Bradford, Julie Bennett, Tyler McVey, Thom Carney, George Selk, Frank J. Scannell, Noreen Nash, Jean Howell, Jack Lomas, Joby Baker, Sarah Selby, Joey Forman, Johnny Silver, Quinn O'Hara, Carl Sklover, Buddy Lewis, Chet Stratton, Kay Stewart, Art Lewis, Stanley Farrar, Joseph Hamilton, Henry Corden, Warren Parker, Tommy Farrell, Gil Frye, June Whitley Taylor, Martha Wentworth, Marjorie Stapp, Craig Duncan, Virginia Carroll, Brett King, Frances Bavier, Don Devlin, James Douglas, Adrienne Marden, Buddy Lester, Forrest Lewis, George Offerman Jr., Jeane Wood, Sam Edwards, James Nusser, Tom McKee, Richard Emory, Paul Hahn, William Kendis, William Kerwin, Jim Hayward, Chris Drake, Vic Perrin, Jana Lund, Jean Inness, Monty Margetts, Herbert Ellis, Dennis Cross, Jeanne Moody, Joe Haworth, Barbara Woodell, Michael Garrett, Sammy Ogg, Larry Barton, Nancy Kilgas, Monty Ash, David Holt, Paul Smith, Dee J. Thompson, Mack Williams, William E. Green, Charlotte Knight, Ralph Smiley, Julian Burton, George Sawaya, Robert Boon, Douglas Evans, Ralph Votrian, Eddie Marr, Roy Darmour, Grace Albertson, Lenore Kingston, Ron Gans, James Gavin, Dorothy Neumann, Don Ross, Mort Marshall, William Lally, Louis Nicoletti, Helen Jay, Chuck Webster, Lillian Culver, Ralph Montgomery, James Dobson, Ed Prentiss, Charmienne Harker, Dick Whittinghill, Janet Warren, Mary Lawrence, Tony Dante, Billy Nelson, John Truax, Vivi Janiss, Louise Lewis, Robert Christopher, Lee Roberts, Russ Whiteman, Mitchell Kowall, Preston Hanson, Kort Falkenberg, Edith Leslie, Gil Stratton, John Call, Nan Boardman, Gayle Kellogg, Leo Curley, Ron Hargrave, Richard Bartell, James Stone, Larry Hudson, Vernon Rich, Carlyle Mitchell, Guy Prescott, William Flaherty, Barbara Bell Wright, Abel Franco, Alfred Linder, Emlen Davies, Jil Jarmyn, Paula Hill, Joanne Jordan, Russell Trent, Herb Butterfield, Bob Herron, Dennis Maccarthy, Joe Conley, Nancy Evans, Anthony Lawrence