- Robert McQueeney
- Â Conley Wright 26 episodes, 1962-1963
- William Reynolds
- Â Capt. Jim Benedict 26 episodes, 1962-1963
- Robert Ridgely
- Â Lt. Frank Kimbro 26 episodes, 1962-1963
- Richard X. Slattery
- Â 1st Sgt. John McKenna 26 episodes, 1962-1963
- Eddie Fontaine
- Â Pvt. Pete D'Angelo / ... 26 episodes, 1962-1963
- Roland La Starza
- Â Pvt. Ernie Lucavich 26 episodes, 1962-1963
- Robert Gothie
- Â Sam Hanson 26 episodes, 1962-1963
- Roger Davis
- Â Roger Gibson 26 episodes, 1962-1963
- Sandy McPeak
- Â Pvt. Saunders / ... 9 episodes, 1962-1963
- Robert Fortier
- Â Maj. Jergens / ... 6 episodes, 1962
- Victoria Vetri
- Â Sister Catherine / ... 2 episodes, 1962-1963
- John A. Alonzo
- Â Cpl. Marsh / ... 2 episodes, 1962-1963
- Don Kelly
- Â Capt. Barlow / ... 2 episodes, 1962-1963
- George Murdock
- Â Pfc. Ben Cagel / ... 2 episodes, 1963
- Anthony Becket
- Â Emil Buckner / ... 2 episodes, 1963
- Douglas Lambert
- Â Pvt. Harvey Loomis / ... 2 episodes, 1962-1963
- Tom Gilson
- Â Pvt. Barlow 2 episodes, 1962
- Donald Zimmerman
- Â Medic 2 episodes, 1962
- Victor Romito
- Â 1st Partisan / ... 1 episode, 1962
- Eric Braeden
- Â German Officer / ... 1 episode, 1962-1963
- William Windom
- Â Jake 1 episode, 1962
- Michael Parks
- Â Billy Ray Medford 1 episode, 1962
- Marianna Hill
- Â Maria Carducci 1 episode, 1962
- Robert Conrad
- Â Sgt. Griff Benedict 1 episode, 1962
- John Dehner
- Â Capt. Rauch 1 episode, 1962
- Mala Powers
- Â Dina 1 episode, 1962
- Peter Breck
- Â Pvt. Draper 1 episode, 1962
- Chana Eden
- Â Elena 1 episode, 1962
- Gail Kobe
- Â Kathlene Palmer 1 episode, 1962
- Lisa Seagram
- Â Angela 1 episode, 1962
- Terry Becker
- Â Gilmartin 1 episode, 1962
- Buck Kartalian
- Â Joey Lopuschok 1 episode, 1962
- Peter Soli
- Â Robertino 1 episode, 1962
- Julie Adams
- Â Capt. Meg Thorpe 1 episode, 1963
- Dorothy Provine
- Â Joyce Adams 1 episode, 1963
- Peter Brown
- Â Lt. Hodges 1 episode, 1963
- Dianne Foster
- Â The Contessa 1 episode, 1963
- James Doohan
- Â Captain Blagdon 1 episode, 1963
- Ed Nelson
- Â Maj. Ross 1 episode, 1963
- Stanley Adams
- Â Nicola Borrelli 1 episode, 1963
- Laura Devon
- Â Lt. Diane Kirkland 1 episode, 1963
- Karl Held
- Â Maj. Woelfel 1 episode, 1963
- Maria Machado
- Â Contessa Loren 1 episode, 1963
- Poncie Ponce
- Â Lt. Joe O'Hara 1 episode, 1963
- Armand Alzamora
- Â Cpl. Vince Mazzini 1 episode, 1963
- Sharon Hugueny
- Â Rosa 1 episode, 1962
- Malachi Throne
- Â Col. Shunesberg 1 episode, 1962
- Rodolfo Acosta
- Â Lupo 1 episode, 1962
- John Van Dreelen
- Â Francioso Cardinale 1 episode, 1962
- Rudy Solari
- Â Amitore 1 episode, 1962
- Iphigenie Castiglioni
- Â Signora Josephine Cirasella 1 episode, 1962
- Renzo Cesana
- Â Father Rossi 1 episode, 1962
- Pamela Grey
- Â Nina Papeeto 1 episode, 1962
- Steve Lander
- Â Cpl. Schloss 1 episode, 1962
- James Secrest
- Â Lt. Thompson 1 episode, 1962
- Guy Stockwell
- Â Medic 1 episode, 1963
- Paul Carr
- Â Pvt. Joe Salford 1 episode, 1963
- Kevin Hagen
- Â Sergeant Stein 1 episode, 1963
- Albert Paulsen
- Â General Kile 1 episode, 1963
- Adam Williams
- Â Pvt. McQueen 1 episode, 1963
- John Baer
- Â Lt. Latham 1 episode, 1963
- Glenn Cannon
- Â Cpl. Lefty Morgan 1 episode, 1963
- David Frankham
- Â Pvt. Tom Collier 1 episode, 1963
- Ernest Sarracino
- Â Signor Dinetti 1 episode, 1963
- Suzi Carnell
- Â Phoebe Pfeiffer 1 episode, 1963
- Frank Atienza
- Â Cowboy 1 episode, 1963
- Frank DeKova
- Â Legrini 1 episode, 1962
- Bill Quinn
- Â The Colonel 1 episode, 1962
- John Karlen
- Â Lt. Tyrell 1 episode, 1962
- Argentina Brunetti
- Â Mother Superior 1 episode, 1962
- Rita Lynn
- Â Diva 1 episode, 1962
- Stefan Schnabel
- Â Marshall Kleindorff 1 episode, 1962
- Rudy Dolan
- Â Sgt. Hensel 1 episode, 1962
- Walter Friedel
- Â Maj. Strasser 1 episode, 1962
- Fred Villani
- Â Fabio 1 episode, 1962
- Anna Bruno-Lena
- Â Felicia 1 episode, 1962
- Mignone Gret
- Â Maria 1 episode, 1962
- James Best
- Â Pvt. Hook 1 episode, 1963
- DeForest Kelley
- Â Col. Davenport 1 episode, 1963
- George Gaynes
- Â Major Neumann 1 episode, 1963
- Doris Dowling
- Â Cristina 1 episode, 1963
- George O'Hanlon
- Â Harry Cooper 1 episode, 1963
- Barry Cahill
- Â Sgt. Briggs 1 episode, 1963
- Ilze Taurins
- Â Uta Braun 1 episode, 1963
- Ray Montgomery
- Â Maj. Brennan 1 episode, 1963
- Jana Taylor
- Â Carla 1 episode, 1963
- Sheldon Allman
- Â Pvt. Machen 1 episode, 1963
- David Cadiente
- Â Murphy 1 episode, 1963
- Edward Tierney
- Â Schasheitlin 1 episode, 1962
- Jack Reitzen
- Â Itzo 1 episode, 1962
- Peter Hellman
- Â German Lieutenant 1 episode, 1962
- Eddie Durkin
- Â Lt. Ravetch 1 episode, 1962
- Victor Salinas
- Â Pietro 1 episode, 1962
- George Takei
- Â Harry Ochi 1 episode, 1963
- Vito Scotti
- Â Giadenza 1 episode, 1963
- Al Lettieri
- Â Arturo 1 episode, 1963
- Pat Woodell
- Â Gina 1 episode, 1963
- Harlan Warde
- Â Maj. McGowan 1 episode, 1963
- Morgan Jones
- Â Lt. Col. Gates 1 episode, 1963
- William Beckley
- Â Lieutenant Wells 1 episode, 1963
- John Daheim
- Â Sgt. Flannery 1 episode, 1963
- Charles H. Radilak
- Â Pvt. Buhler 1 episode, 1963
- Barnaby Hale
- Â Capt. Harrison 1 episode, 1963
- Jack Greening
- Â Major Brighton 1 episode, 1963
- Ralph Manza
- Â Cafe Proprietor 1 episode, 1962
- Eduardo Ciannelli
- Â Bassano 1 episode, 1962
- Richard Angarola
- Â Father Gefolia 1 episode, 1962
- Dal Jenkins
- Â Medical Orderly 1 episode, 1962
- Dennis Cross
- Â Capt. Brogan 1 episode, 1962
- Reva Rose
- Â Sister Margaret 1 episode, 1962
- Walter Linden
- Â Brock 1 episode, 1962
- Dieter Jacoby
- Â German Sentry 1 episode, 1962
- Mako
- Â Frank Fakuda 1 episode, 1963
- Francine York
- Â Angela 1 episode, 1963
- John McLiam
- Â Pvt. Archie Bolt 1 episode, 1963
- Ed Gilbert
- Â Pvt. Forgetz 1 episode, 1963
- Tommy Farrell
- Â Sgt. Harry Motley 1 episode, 1963
- Charlie Briggs
- Â Pvt. Eddie Ross 1 episode, 1963
- Jean Del Val
- Â Old Italian Man 1 episode, 1963
- Paul Micale
- Â Matteo 1 episode, 1963
- David Brandon
- Â Lt. Harper 1 episode, 1963
- Walter Janovitz
- Â Capt. Heffler 1 episode, 1962
- Eve Marlowe
- Â Maria 1 episode, 1962
- Lawrence Mann
- Â Capt. Baer 1 episode, 1962
- Rudy Carrela
- Â Italian Boy #1 1 episode, 1962
- Peter Morgenstern
- Â Stuckart 1 episode, 1962
- Felix Reinsch
- Â Maj. Erhardt 1 episode, 1962
- Med Flory
- Â Pvt. Ayres 1 episode, 1963
- Booth Colman
- Â German Captain 1 episode, 1963
- James Almanzar
- Â Antonio 1 episode, 1963
- Andre Philippe
- Â French Soldier 1 episode, 1963
- Mario Siletti
- Â Alfredo Palli 1 episode, 1963
- Martin Brandt
- Â Jakob Schneider 1 episode, 1963
- Dolores Quinton
- Â Italian Woman 1 episode, 1963
- Justin Smith
- Â Major Nemo 1 episode, 1963
- Genevieve Griffin
- Â Maj. Phyllis Taylor 1 episode, 1963
- Ross Evans
- Â German Officer 1 episode, 1962
- Joey Russo
- Â Italian Boy #2 1 episode, 1962
- Carlo Tricoli
- Â Italian Man 1 episode, 1962
- Philip Carey
- Â Sgt. Matt Barragan 1 episode, 1963
- Don Matheson
- Â Soldier M.C. 1 episode, 1963
- Charles Smith
- Â Lt. Tuttle 1 episode, 1963
- Brian Avery
- Â German Captive 1 episode, 1963
- Julie Van Zandt
- Â Nurse 1 episode, 1963
- Gary Campbell
- Â Mike Wooster 1 episode, 1963
- Ray Danton
- Â Hugo Petra 1 episode, 1963
- Van Williams
- Â Lt. Dave Cameron 1 episode, 1963
- Earl Hammond
- Â David Storm 1 episode, 1963
- Robert Glenn
- Â Radioman 1 episode, 1962
- Dick Tufeld
- Â Announcer (uncredited) 25 episodes, 1962-1963
- Louie Elias
- Â German Soldier / ... (uncredited) 4 episodes, 1962-1963
- Tony Epper
- Â German Soldier / ... (uncredited) 2 episodes, 1962-1963
- Roydon Clark
- Â German Soldier / ... (uncredited) 2 episodes, 1962-1963
- Del Monroe
- Â MP Officer (uncredited) 1 episode, 1962
- Leon Alton
- Â Party Guest (uncredited) 1 episode, 1962
- Yale Summers
- Â Young Officer (uncredited) 1 episode, 1962
- Robert Biheller
- Â GI (uncredited) 1 episode, 1962
- Paul Busch
- Â German Soldier (uncredited) 1 episode, 1962
- Bennie E. Dobbins
- Â Man in Fight (uncredited) 1 episode, 1962
- John Roy
- Â Party Guest (uncredited) 1 episode, 1962
- King Lockwood
- Â Party Guest (uncredited) 1 episode, 1962
- Dan Dowling
- Â Party Guest (uncredited) 1 episode, 1962
- Emma Palmese
- Â Mother (uncredited) 1 episode, 1962
- Richard Peel
- Â Wounded British Soldier (uncredited) 1 episode, 1963
- Kurt Landen
- Â Wounded German (uncredited) 1 episode, 1963
- Robert Champion
- Â German Soldier (uncredited) 1 episode, 1963
