(written from a Production point of view)
Oswald directed Jeffrey Hunter in the 1956 film A Kiss Before Dying. He also served as first assistant director on the epic 1962 war film The Longest Day, which also featured Hunter. He also directed the 1958 feature film Screaming Mimi based on the novel by Fredric Brown. The film featured Harry Townes and Oliver McGowan. In addition, Oswald directed the 1966 spy film Agent for H.A.R.M., which starred Peter Mark Richman and Barbara Bouchet.
Oswald was the most prominent director on the classic The Outer Limits (1963-65), helming fourteen episodes of the series. These include "O.B.I.T." (with Jeff Corey and Harry Townes), "Don't Open Till Doomsday" (with John Hoyt, David Frankham, and Anthony Jochim), "Specimen: Unknown" (with Arthur Batanides), "Fun and Games" (with Nancy Malone and Theo Marcuse), "Soldier" (with Michael Ansara and Tim O'Connor, written by Harlan Ellison), and "Expanding Human" (with Skip Homeier, Keith Andes, James Doohan, Peter Duryea, Jason Wingreen, and Troy Melton). Joseph Stefano served as producer and head writer on the first season, while Robert Justman worked on the series as production manager and first assistant director. Fred Phillips designed the makeups for the show. Vic Perrin provided the "Control Voice", while Robert C. Johnson was featured in several other voice roles.
He has also directed episodes of such TV series as Perry Mason, Rawhide, Bonanza, and Voyage to the Bottom of the Sea.