Jack Knebworth

Mike Brixan

Jack is Mike's loyal and close friend, often working alongside him in dangerous situations.

Stella Mendoza

Jack and Stella are close allies and friends, often cooperating to support Mike and their shared cause.

Reggie Connolly

Jack and Reggie are friends and likely comrades, with Reggie being part of the group allied with Jack.

Lawley Foss

Jack and Lawley are friends and collaborators, working together in support of Mike.

Sir Gregory Penne

Jack is directly opposed to Sir Gregory, viewing him as a dangerous enemy.

Sampson Longvale

Jack and Sampson are friends and allies, working together against common threats.

Stella Mendoza

Jack and Stella are close allies and friends, often cooperating to support Mike and their shared cause.

Mike Brixan

Jack is Mike's loyal and close friend, often working alongside him in dangerous situations.

Mike Brixan

Jack is Mike's loyal and close friend, often working alongside him in dangerous situations.

Stella Mendoza

Jack and Stella are close allies and friends, often cooperating to support Mike and their shared cause.

Reggie Connolly

Jack and Reggie are friends and likely comrades, with Reggie being part of the group allied with Jack.

Lawley Foss

Jack and Lawley are friends and collaborators, working together in support of Mike.

I: The Headhunter

Mentioned as an American film producer who runs the studio where Adele works.

II: Mr. Sampson Longvale Calls

Jack is initially brusque and dismissive toward Adele, but becomes animated and grateful upon meeting Sampson Longvale, whose offer of the Dower House solves his location problems.

III: The Niece

A director who employs Adele on his lot, though she fears he thinks she is no good.

IV: The Leading Lady

Film producer who fires Stella Mendoza and impulsively casts Adele as the new leading lady.

V: Mr. Lawley Foss

Film director; introduces Foss and expresses his difficulties with him.

The Master of Griff

The director, who is suspicious of Sir Gregory's behavior and reluctantly allows Brixan to join as an extra.

VII: The Swords and Bhag

Mentioned by Penne as having said Brixan was going on to Longvale.

Bhag

Jack is pleased with Adele's performance and dismisses Reggie Connolly's complaints about his role in the film.

IX: The Ancestor

Directs the film shoot, complains about Foss's tardiness and financial troubles, and sees a face at the window.

X: The Open Window

Directs the film crew and orders everyone to bed for an early morning shoot.

XI: The Mark on the Window

Awakened by the shot; questions Brixan and later denies authorizing the window mark.

XIII: The Trap That Failed

Praises Adele's performance, criticizes the British film industry, and rejects Stella Mendoza's return to the picture.

Mendoza Makes a Fight

Confronts Stella Mendoza and fires Lawley Foss, asserting his authority as director.

The Erasure

Expresses frustration with Stella Mendoza and discusses the studio's financial issues.

XXV: The Man in the Car

Gives Adele the afternoon off, later receives news from Michael Brixan about Foss's head and discusses the case.

XXVI: The Hand

Assists Brixan by arranging the meeting with Stella and offering his house as a base for the investigation.

The Caves

Hosts dinner for Michael and Adele; identifies the butyl chloride as a knockout drug; plans to shoot at Griff Tower.

XXVIII: The Tower

Directs the film shoot at Griff Tower, examines the derby hat clue, and decides to possibly shoot a night scene.

Bhag's Return

Observes Bhag's emergence, comments on the handcuffs and butyl chloride, and decides to halt filming due to the crew's hysteria.

XXXI: John Percival Liggitt

Praises Adele's acting; dismisses Reggie's boasts; informs Adele about the tramp with a letter for Brixan.

The Trap That Failed

Knebworth is surprised by the tramp's visit and later witnesses Brixan's failed ambush.

XXXIV: The Search

Unmasks Brixan; receives Adele's manuscript from her landlady; accompanies Brixan to Griff Towers.

XXXV: What Happened to Adele

Mentioned as the supposed sender of the summons that lures Adele away.

At the Tower Again

Mentioned as having left the ladder that Adele uses to climb the tower.

The Widow

Leads the search for Brixan, discovers the hidden car and the trapdoor, realizing Brixan is in the Headhunter's hands.

XLII: Camera!

Directing a love scene with frustration; predicts Adele will leave the screen to marry.