Question: Jack Hofsiss and William Malone, are which nationality?

Context paragraphs:
William Malone (director): William Malone (born 1953) is an American horror filmmaker who directed such films as the 1999 remake "House on Haunted Hill", "Scared to Death", "Creature", and "FeardotCom".

I'm Dancing as Fast as I Can: I'm Dancing as Fast as I Can is a 1982 American biographical film directed by Jack Hofsiss and starring Jill Clayburgh.  The screenplay by David Rabe is based on the memoir of the same title by Emmy Award-winning documentary filmmaker Barbara Gordon, whose addiction to and difficult withdrawal from Valium serves as the basis of the plot.

Cat on a Hot Tin Roof (1984 film): Cat on a Hot Tin Roof is a 1984 American made-for-television drama film directed by Jack Hofsiss and starring Jessica Lange, Tommy Lee Jones, Rip Torn, Kim Stanley, David Dukes, and Penny Fuller.  The film was produced by American Playhouse and originally premiered on Showtime on August 19, 1984.

The Plagues: The Plagues were an American garage rock band from Lansing, Michigan who were active in the 1960s (not to be confused with other bands of the period named "the Plagues").  They were led by bass player, principal songwriter, and vocalist William Malone.  The group had a local and regional hit with "I’ve Been Through It Before".  Malone left the band in 1966 to join the Frightened Trees, as the remaining members formed a new group out of the ashes of the Plagues, the Plain Brown Wrapper.  Malone later became a successful Hollywood movie director, whose 2008 horror thriller "Parasomnia" included "I’ve Been Through It Before", as well as other songs by the Plagues and other 1960s garage bands.  In the intervening years the Plagues work has attracted a following amongst garage rock enthusiasts and collectors.

Jack Hofsiss: John Bernard "Jack" Hofsiss (September 28, 1950 – September 13, 2016) was an American theatre, film, and television director.  He received a Tony Award for his direction of "The Elephant Man" on Broadway, the youngest director to have ever received it at the time.  The production also garnered him a Drama Desk Award, Outer Critics Circle Award, Obie Award, and New York Drama Critics Circle Award.  Director of Family Secrets in the year 1984; starring Melissa Gilbert, James Spader, Stefanie Powers, and Maureen Stapleton.

Family Secrets (1984 film): Family Secrets is a 1984 American made-for-television drama film starring Maureen Stapleton, Melissa Gilbert and Stefanie Powers (who also co-wrote and co-produced).  The TV film was directed by Jack Hofsiss.

Parasomnia (film): Parasomnia is an independent horror film directed by William Malone and stars Jeffrey Combs, Timothy Bottoms and Dylan Purcell.  The filming was funded by Malone himself, and its release was delayed due to difficulties securing distribution.

Supernova (2000 film): Supernova is a 2000 Swiss-American science fiction horror film written by David C. Wilson, William Malone and Daniel Chuba and directed by Walter Hill, credited as "Thomas Lee."  "Thomas Lee" was chosen as a directorial pseudonym for release, as the name Alan Smithee had become too well known as a badge of a film being disowned by its makers.  It was originally developed in 1988 by director William Malone as "Dead Star," with paintings by H. R. Giger and a plot that had been called ""Hellraiser" in outer space."  Jack Sholder was hired for substantial uncredited reshoots, and Francis Ford Coppola was brought in for editing purposes.  Various sources suggest that little of Hill's work remains in the theatrical cut of the film.  The film shares several plot similarities with the film "Event Horizon," released in 1997, and "Alien Cargo," released in 1999.  The cast featured James Spader, Angela Bassett, Robert Forster, Lou Diamond Phillips, Peter Facinelli, Robin Tunney, and Wilson Cruz.  This film was shot by cinematographer Lloyd Ahern and scored by composers David C. Williams and Burkhard Dallwitz.

The Elephant Man (play): The Elephant Man is a play by Bernard Pomerance.  It premiered at the Hampstead Theatre in London on 7 November 1977.  It later played in repertory at the National Theatre in London.  It ran Off-Broadway from 14 January to 18 March 1979, at the York Theatre at St. Peter's.  The production's Broadway debut in 1979 at the Booth Theatre was produced by Richmond Crinkley and Nelle Nugent, and directed by Jack Hofsiss.  The play closed in 1981 after eight previews and 916 regular performances.

The Elephant Man (1982 film): The Elephant Man is a 1982 American biographical television film directed by Jack Hofsiss about the 19th-century English medical curiosity Joseph Merrick (known in this film as John Merrick).  The script was adapted by Steve Lawson from the 1977 play of the same name by Bernard Pomerance.  It was first broadcast by the American Broadcasting Company (ABC) on January 4, 1982.

Supporting paragraphs: Jack Hofsiss William Malone (director)
Answer: American