Harry Morgan
Officer Bill Gannon (98 eps)
Jack Webb
Sergeant Joe Friday (98 eps)
Don Ross
Eugene Dickson (20 eps)
Art Balinger
Capt. Hugh Brown (18 eps)
Alfred Shelly
Sgt. Al Vietti (18 eps)
John Stephenson
Narrator (voice) (uncredited) (11 eps)
Len Wayland
Capt. Stanley (9 eps)
Herb Vigran
Desk Clerk (7 eps)
Virginia Gregg
Ada Beale (7 eps)
Art Gilmore
Capt. Lambert (6 eps)
Marshall Reed
Lt. Phil Johnson (5 eps)
Robert Patten
Officer Young (5 eps)
Stacy Harris
Dr. Manning (5 eps)
Natalie Masters
Housewife (3 eps)
Anthony Eisley
Harvey Forrester (3 eps)
Howard Culver
Dr. Larry Fields (3 eps)
Elaine Devry
Patricia Wingate (3 eps)
Maudie Prickett
Mrs. Thelma Benstead (2 eps)
Eve Brent
Mrs. Fuller (2 eps)
Bobby Troup
Claude Stroup (2 eps)
John Nolan
Mr. Rogers (2 eps)
Virginia Vincent
Shirley Aldrich (2 eps)
Lorraine Gary
Mrs. Frank (1 eps)
Merry Anders
Policewoman Dorothy Miller (1 eps)
Clark Howat
Capt. Henry O. Mack (1 eps)
Henry Corden
Emile Hartman (1 eps)
Frank Gerstle
Albert Marks (1 eps)
Jan-Michael Vincent
Rick Schneiderman (1 eps)
Walter Brooke
Capt. Carl Fuller (1 eps)
Dick Simmons
Marcus Denner (1 eps)
Eve McVeagh
Bonnie McKenzie (1 eps)
William Challee
bearded man singing Christmas carol (uncredited) (1 eps)
Luana Anders
Anna Marie Harmon (1 eps)
Emily Banks
Ann Tipton (1 eps)
Don 'Red' Barry
James Fremont (1 eps)
Cyril Delevanti
Basil Jennings (1 eps)
Dick Cherney
Detective (uncredited) (1 eps)
Byron Keith
Nick Gowers (1 eps)
Lovyss Bradley
Juror (uncredited) (1 eps)
Michael Burns
Benjie 'Blue Boy' Carver (1 eps)
Jerry Douglas
Sgt. Eugene Zappey (1 eps)
Heather Menzies
Edna Mae Dixon (1 eps)
Vince Howard
Officer Bondi (1 eps)
Herbert Ellis
Norm Landon (1 eps)
Dick Miller
Harry Johnson (1 eps)
John Lupton
Sgt. Carl Maxwell (1 eps)
Keye Luke
George Lum (1 eps)
Robert Clarke
Mr. Fuller (1 eps)
Kenneth Washington
Off. Bill Bray (1 eps)
John Sebastian
Peter Witmer (1 eps)
Lillian Bronson
Bird Lady (1 eps)
John Dennis
Bookie Agent (1 eps)
Grant Williams
Father Barnes (1 eps)
Susan Seaforth Hayes
Policewoman Olson (1 eps)
Mark Russell
Police Officer (uncredited) (1 eps)
Edward Faulkner
Lawrence Devon (1 eps)
John Sebastian
Nate Calvin (1 eps)
James McEachin
Off. Tim Miles (1 eps)
Jerry Dexter
Jerry Dexter (1 eps)
Larry D. Mann
Pete Benson (1 eps)
Herbert Anderson
Robert Blake (1 eps)
Raymond Mayo
Ben Roy Yoder (uncredited) (1 eps)
Andrea King
Mrs. Lisa Fulton (1 eps)
Russell Arms
David Carroll (1 eps)
Lane Bradford
Champ Ridgely (1 eps)
Don Dubbins
Steve Deal (1 eps)
Julie Bennett
Evelyn Gentry (1 eps)
Ann Morgan Guilbert
Bessie McDermott (1 eps)
Martin Milner
Officer Pete Malloy (1 eps)
Kent McCord
Officer Jim Reed (1 eps)
Anne Whitfield
Irene Hillier (1 eps)
O.J. Simpson
Potential Recruit (uncredited) (1 eps)