Jack Webb
Joe Friday

Ben Alexander
Frank Smith

Olan Soule

Vic Perrin

Jack Kruschen

Art Balinger
Capt. Glavas / Capt. Barnard

Harry Bartell
Frank Salazar

Art Gilmore
/ Capt. Harry Didion

Herb Vigran
/ Pete Eigen / Jocko Harris / Sam Phillips / Eugene Murray

Virginia Gregg
(voice) / Iris / Millie (voice) (uncredited) / Minna Joyce / Audrey Thompson / E...

Natalie Masters
Edith Barson / Doris Lanpher / Katy Stokes / Jean Dunbar / Peggy Herman /

Paul Richards

Sam Edwards

Helen Kleeb

Martin Milner
/ Stephen Banner

Don C. Harvey
/ Capt. Donahoe

William Boyett
/ Stanley Bushing / Larry Thompson

Harlan Warde

Howard Culver

Dennis Moore