The Atomic Submarine is a 1959 independently made American black-and-white science fiction film, produced by Alex Gordon, directed by Spencer Gordon Bennet, that stars Arthur Franz, Dick Foran, Brett Halsey and Joi Lansing, with John Hilliard as the voice of the alien.
 The film was distributed by Allied Artists Pictures Corporation.
Paul McGuigan (born 19 September 1963) is a Scottish film and television director, best known for directing films such as "Lucky Number Slevin", "Gangster No. 1" and "Push".
 He has also directed episodes of "Sherlock", "Scandal", "Monroe" and "Smash".
 He was born in Bellshill, Scotland.
Rio Grande Ranger is a 1936 American western film directed by Spencer Gordon Bennet and starring Robert Allen, Iris Meredith and Paul Sutton.
The Bounty Killer is a 1965 American Technicolor Western film directed by Spencer Gordon Bennet and written by Ruth Alexander and Leo Gordon in Techniscope.
 The film stars Dan Duryea, Rod Cameron, Audrey Dalton, Richard Arlen, Buster Crabbe and Fuzzy Knight.
 The film was released on July 31, 1965, by Embassy Pictures.
Tucson Raiders is a 1944 American film directed by Spencer Gordon Bennet starring Wild Bill Elliott in the role of Red Ryder.
 It was the first of twenty-three Red Ryder feature films that would be produced by Republic Pictures.
 The picture was shot on the studio’s back lot along with outdoor locations at Iverson Ranch, 1 Iverson Lane, Chatsworth, Los Angeles, CA, USA.
Superman (1948) is a 15-part black-and-white Columbia film serial based on the comic book character Superman.
 It stars an uncredited Kirk Alyn (billed only by his character name, Superman; but credited on the promotional posters) and Noel Neill as Lois Lane.
 Like "Batman", it is notable as the first live-action appearance of Superman on film and for the longevity of its distribution.
 The serial was directed by Thomas Carr, who later directed many early episodes of the "Adventures of Superman" television show, and Spencer Gordon Bennet, produced by Sam Katzman and shot in and around Los Angeles, California.
 It was originally screened at movie matinées and after the first three scene-setting chapters, every episode ends in a cliffhanger.
 The Superman-in-flight scenes are animations, in part due to the small production budget.
Spencer Gordon Bennet (January 5, 1893 – October 8, 1987) was an American film producer and director.
 Known as the "King of Serial Directors", he directed more film serials than any other director.
Night Alarm is a 1934 American drama film directed by Spencer Gordon Bennet and starring Bruce Cabot as a down on his luck reporter, Hal Ashby, who tries to make a name for himself by investigating a series of bizarre arson attacks.
 The film, which was a hit in movie theatres at the time, is now widely available in the public domain.
Lone Texas Ranger is a 1945 American Western film directed by Spencer Gordon Bennet starring Wild Bill Elliott in the role of Red Ryder and costarring as Little Beaver, actor "(Bobby)" Robert Blake.
 It was the eighth of twenty-three Red Ryder feature films that would be produced by Republic Pictures.
 The picture was shot on the studio’s back lot along with outdoor locations at Iverson Ranch, 1 Iverson Lane, Chatsworth, Los Angeles, CA, USA.
Requiem for a Gunfighter is a 1965 American western film, the last picture directed by Spencer Gordon Bennet, produced by Alex Gordon, and starring Rod Cameron, Stephen McNally, Mike Mazurki, Dick Jones, and Olive Sturgess.

Question: Have Spencer Gordon Bennet and Paul McGuigan both directed films?
Answer: yes