Walter Smith is an actor who appeared in two episodes of Star Trek: Voyager. First as an alien townsperson in the first season episode "Time and Again" and later as a Starfleet admiral in the fifth season episode "In the Flesh". He received no credit for his appearances but was identified by the call sheets of the episodes.
Smith started his career as an actor in the 1940s and had featured and background roles in the 1950s in films such as Buccaneer's Girl (1950, with Norman Lloyd), Sally and Saint Anne (1952, with Gregg Palmer, Joseph Mell, and William Schallert), Jungle Drums of Africa (1953, with Davis Roberts), Panther Girl of the Kongo (1955), Forever, Darling (1956, with Lucille Ball, Desi Arnaz, John Hoyt, Benjie Bancroft, Al Cavens, and Monty O'Grady), Somebody Up There Likes Me (1956, with Stanley Adams, William Boyett, Al Cavens, Michael Dante, Monty O'Grady, Willard Sage, and Ron Veto), Away All Boats (1956, with Don Keefer, Parley Baer, Robert Herron, and Bob Hoy), The Girl He Left Behind (1956, with Chuck Hicks), Nightfall (1956, with Brian Keith), Band of Angels (1957, starring Clark Gable, with Torin Thatcher, William Meader, William Schallert, and Arthur Tovey), The Long, Hot Summer (1958, with Sarah Marshall and Arthur Tovey), South Pacific (1958, with Ray Walston and France Nuyen), and Jerry Lewis' Don't Give Up the Ship (1959, with Walt Davis and Monty O'Grady).
He also appeared in episodes of Public Defender (1954, with Benjie Bancroft and Pete Kellett), Soldiers of Fortune (1955), Yancy Derringer (1959, with Roy Jenson), The Untouchables (1960 & 1962, with Lawrence Dobkin, Gene Lyons, Arlene Martel, John Anderson, Al Cavens, Bill Erwin, Salome Jens, K.L. Smith, and Charles Picerni), Ensign O'Toole (1963), The Fugitive (1963, with Al Cavens, Shep Houghton, and Davis Roberts), The Joey Bishop Show (1965), I Spy (1965 & 1967, with Ricardo Montalban, France Nuyen, Roy Jenson, Kenneth Tobey, Bob Bralver, and Monty O'Grady), The Lucy Show (1967, with Lucille Ball and Rhodes Reason), Gomer Pyle – USMC (1967-68), Get Smart (1968, with Al Cavens), The Wild Wild West (1966 & 1968, with Theo Marcuse, Fred Carson, William Schallert, Sherry Jackson, Robert Ellenstein, Reggie Nalder, Gregg Palmer, Jimmie Booth, Emily Banks, Judi Sherven, and Bob Herron), Love, American Style (1969, with Yvonne Craig and Jane Wyatt), Mayberry R.F.D. (1969, with Monty O'Grady), and Mission: Impossible (1969, with Shep Houghton, Leonard Nimoy, Lee Meriwether, Malachi Throne, and Vic Perrin).
Further film appearances include Ocean's 11 (1960, with William Meader), Bachelor in Paradise (1961, with Walt Davis, Lloyd Kino, Arthur Tovey, and Bill Zuckert), All Fall Down (1962, with Monty O'Grady), To Kill a Mockingbird (1962, with Brock Peters, Paul Fix, William Windom, Richard Hale, Kim Hamilton, and Arthur Tovey), Jerry Lewis' The Patsy (1964, with Joan Swift), The Third Day (1965, starring Roddy McDowall, with Sally Kellerman, Chuck Hicks, and Ed Peck), Chamber of Horrors (1966, with James Drake, Clegg Hoyt, Nedra Rosemond, Paul Sorensen, and Arthur Tovey), The Shakiest Gun in the West (1968, with Ed Peck, Jimmie Booth, Anthony Jochim, Bill Quinn, and Arthur Tovey), and Elvis Presley's Change of Habit (1969, with Frank Corsentino, Shep Houghton, and Troy Melton).
In the 1970s, Smith appeared in episodes of My Three Sons (1970), Hogan's Heroes (1968 & 1970, with Stewart Moss and directed by Marc Daniels), The Mod Squad (1968 & 1971, with Clarence Williams III, Tige Andrews, Brooke Bundy, Robert DoQui, Alan Oppenheimer, Bob Harks, and Mark Russell), Nichols (1972, with John Beck and Anthony Zerbe), M*A*S*H (1972), The Snoop Sisters (1972, with Fritz Weaver, Lawrence Pressman, and Bob Harks), Kojak (1973, with Shep Houghton), Shaft (1974, with Gil Perkins), Kolchak: The Night Stalker (1974, with John Fiedler, Gary Baxley, Edwin Rochelle, Madlyn Rhue, Lenore Kasdorf, George Sawaya, and Benjie Bancroft), and The Rockford Files (1977-78, with Barry Atwater and Bob Harks).
Smith worked as regular background extra on Here's Lucy (1970-74, starring Lucille Ball and with Billy Curtis, Marc Lawrence, Tony Dante, Morgan Jones, Janos Prohaska, Paul Sorensen, Keye Luke, Monty O'Grady, and Vince Deadrick) and Bret Maverick (1981-82, co-starring Darleen Carr and with Marj Dusay, John McLiam, Richard Libertini, Lawrence Dobkin, Monte Markham, Cliff Potts, Keye Luke, John Anderson, Charles Hallahan, Sid Haig, Byron Morrow, Beans Morocco, Geno Silva, Eddie Hice, Arthur Tovey, Jimmie Booth, Benjie Bancroft, and Gene LeBell).
He also worked in the background of The Carey Treatment (1972, with Jennifer Edwards, Robert Mandan, Dick Crockett, Bob Harks, Stephen Manley, and Ed Peck), The War Between Men and Women (1972, with Tony Dante, Bob Harks, and Arthur Tovey), Las Vegas Lady (1975), White Line Fever (1975, with Dick Miller), The Sting II (1983, with Terri Garr, Bert Remsen, John Hancock, Larry A. Hankin, Corey Michael Eubanks, Rex Pierson, Bob Minor, Dave Cadiente, Benjie Bancroft, Bob Harks, Danny Nero, Felix Silla, and Arthur Tovey), the television thriller Sparkling Cyanide (1983, with Bob Harks and Danny Nero), and Fletch (1985, with Richard Libertini, Kenneth Mars, James Avery, Bruce French, Tony Dante, Bob Harks, and Conrad Hurtt).
Further television background work includes episodes of Lou Grant (1981, with Lynne Thigpen and Jon Lormer), in eight episodes of Cheers (1982 & 1983, with Tim Culbertson, Kenneth Tigar, Jessie Biscardi, John Copage, Gene Poe, Martin Valinsky, Mike Paciorek, Gene Cross, Robert Buckingham, Buzz Barbee, and Kathy Hammers), The Fall Guy (1983), Manimal (1983, with Ed Lauter), Falcon Crest (1983, with Robert Foxworth and George Sasaki), Matlock (1986, with Julie Cobb, Jonathan Frakes, Stewart Moss, Betty McGuire, Gary Werntz, Michael Durrell, Barry Jenner, Grainger Hines, and David Froman), The Colbys (1987, with Stephanie Beacham, Tracy Scoggins, Nana Visitor, Susan French, Faith Burton, Roger Trantham, and Devron Conrad), Dynasty (1987 & 1988, with Joan Collins, Daniel Davis, Richard Sarstedt, John Hugh McKnight, Lavelle Roby, and Adolphus Hankins), and Murder, She Wrote (1986-88, with Lenore Kasdorf, Allan Miller, Brock Peters, Monte Markham, William Windom, Dorothy Hack, Tim O'Connor, Peter Mark Richman, Eugene Roche, Matt Roe, George Sasaki, Richard Beymer, Richard Cox, Stefan Gierasch, Charlie Brill, Lawrence Pressman, Ray Walston, Jay Robinson, Michael Horton, Faith Burton, and Monty O'Grady). He also appeared in Predator 2 (1990, with Kevin Peter Hall, Henry Kingi, Sr., Lilyan Chauvin, Michael Papajohn, Charlie Haugk, Richard Anthony Crenna, Michael Wiseman, David B. Levinson, Manny Perry, Wyatt Weed, and Philip Weyland).