Harry Morgan
Officer Bill Gannon

Jack Webb
Sergeant Joe Friday

Marco López
Pedro Martinez (uncredited) / Raymond Acosta (uncredited) / Uniform on right arr...

Don Ross
Carl Freeman / Frank Silver / Cameraman / Off. Carl Freeman / Lt. Cal Beeson / D...

Art Balinger
Capt. Hugh Brown / Capt. Lou Richey / Capt. Ken Green / Lt. Joseph Lovretovich /...

Alfred Shelly
Sgt. Al Vietti / Court Clerk (uncredited) / Sgt. William D. Booth / Sgt. Dominic...

Virginia Gregg
Mrs. Jean Hardy / Agnes Emerson / Mrs. Francine Graham / Lisa Ruby / Dead Drunk ...

John Stephenson
Narrator (voice) (uncredited)

Len Wayland
Walt Aldrich / Captain Nelson / Jack Courtney / Off. Dave Dorman / Sgt. Al Maxwe...

Art Gilmore
Capt. Lambert / Lt. Moore / Capt. Merton Howe / Capt. Mert Howe / Capt. Larry Wa...

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

Stacy Harris
Dan Mungol / Michael Cooper Smith / Walter Kinnett / Frank Baker / Clifford Ray ...

Marshall Reed
Sgt. Hughes / Lt. Phil Johnson / Officer Whitney / Sgt. Norman Bivins / Fred Dee...

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

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

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

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

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

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

Kent McCord
Officer Jim Reed / Officer Martin (as Kent McWhirter) / Officer Paul Culver / Of...