Jack Webb
Joe Friday

Harry Morgan
Gannon

Marco López
Garage Attendant (uncredited) / Uniform Removing Female from Ruby's Tropica Rest...

Don Ross
Carl Freeman / Don Hale / Eugene Dickson / Jim Barlow / Tom Evans / Glen / Sgt. ...

Art Balinger
Capt. Hugh Brown / Capt. Lou Richey / Capt. Lambert / Capt. McTighe / Dep. Chief...

Alfred Shelly
Sgt. Al Vietti / Detective at house on phone (uncredited) / Officer Gurowski / M...

Virginia Gregg
Lisa Ruby / Mrs. Campbell / Mrs. Jean Hardy / Dorothy Lee / Dallas Andrews / Dea...

John Stephenson
Narrator (voice) (uncredited)

Len Wayland
Walt Aldrich / Captain Nelson / Capt. Morris / Off. Dave Dorman / Capt. Ken Gree...

Art Gilmore
Capt. Lambert / Lt. Moore / Capt. Harry Nelson / Capt. Mert Howe / Capt. Hugh Br...

Herb Vigran
John Hagen / Erv Fowler / Pete Gulka / Desk Clerk / Paul Woods / Mr. Ferguson / ...

Stacy Harris
Clifford Ray Owens alias Barney Regal / Frank Baker / Walter Kinnett / Dr. Rober...

Marshall Reed
Fred Deemer / Sgt. Norman Bivins / Officer Whitney / Lt. Phil Johnson / Sgt. Hug...

Robert Patten
Sgt. Jack Williams / Sgt. Taylor Searcy / Sgt. Joe Gunn / Officer Young / Off. L...

Anthony Eisley
Al Baylor / Thomas Dutcher / Lt. Chris Drucker / Harvey Forrester / Fred Wayman

Dee Carroll
Jean Wagnall / Mrs. Lawson / Diane Conway / Virna Sellick / Mrs. Chatterton

Howard Culver
Dr. Larry Fields / Matt Levecque / Pete Stuart / Sam Enquist

Bobby Troup
Harry Mahan / Claude Stroup / Al Amory / Richard Clinger

Julie Bennett
Evelyn Gentry / Jan Petrie / Angela Tigley / Susan Fowler

Virginia Vincent
Sylvia Crystal / Sally Fisher / Edie Augburn / Shirley Aldrich