Jack looks for Will in the lecture hall at the end of this episode and finds Alana instead. During this scene, he wears a black suit with a brown button-down shirt and a black and light blue square-patterned tie.
Jack Crawford S1E1: Aperitif Scene 9
Tag suit
Hannibal Lecter S1E1: Aperitif Scene 8 and 9
[Prop Store Description]
This costume consists of a v-neck sweater, a two-piece suit including sports coat and slacks, and a pair of leather shoes. The John Smedley brand sweater (size M) is made of 100% wool. The coat is a custom creation for the character of Hannibal and is made of rust colored cloth. The slacks (size 34) are made of taupe wool and are marked “2” on the size tag. The Hugo Boss shoes (size 9) are made of brown leather.
[Notes]
Hannibal wears this outfit to Will’s hotel room for breakfast, to the construction site, and to the Hobbs’ house. He is also wearing it (with the jacket removed) in the last scene of the episode at Abigail’s hospital room (see below).
Hannibal Lecter S1E1: Aperitif Scene 7
[Prop Store Description]
This costume consists of a cream herringbone button-down shirt, a two-piece suit including sports coat and slacks, a maroon and gold paisley tie, and a cashmere pocket square. The Harry Rosen brand sports coat is made of brown tweed and is decorated with faux gold metallic buttons at the cuffs and frontal closure. The slacks are made of a grey acetate blend. No sizing information is featured on either piece.
[Notes]
This is the scene where Hannibal eats at his dinner table shortly following the Cassie Boyle crime scene and his cooking montage.
Jack Crawford S1E1: Aperitif Scene 6
Jack wears a dark suit, brown button-down and brown tie with a blue paisley pattern at the Cassie Boyle crime scene.
Hannibal Lecter S1E1: Aperitif Scene 5.2
[Prop Store Description]
This costume consists of a button-down shirt, a v-neck sweater, and a two-piece suit including sports coat and slacks. The shirt (size M) is made of a white cotton blend. The sweater (size L) is made of 100% cashmere. The taupe coat (42R) is made of suede with cupro lining. The slacks (size 34) are made of taupe wool. All pieces are Ralph Lauren except the pants which are labeled Zanella.
[Notes]
Hannibal wears this suit during his first meeting with Will, discussing the Shrike case in Jack’s office. One peculiar thing to note is that Jack wears the same suit in Hannibal’s office (the previous scene) and this one, whereas Hannibal changes outfits.
Franklyn Froideveaux S1E1: Aperitif Scene 5.1
When we first meet Franklyn, he is wearing a beige suit jacket with brown sweater and a white shirt with thin vertical stripes underneath.
Jack Crawford S1E1: Aperitif Scene 5.1 and 5.2
Jack Crawford dresses in a two-piece black suit with white pinstripes, a maroon button-down shirt and pocket square and a geometric blue, red and gold tie. He continues to wear this outfit during the following scene in Jack’s office.
Hannibal Lecter S1E1: Aperitif Scene 5.1
Prop Store 
Pocket Square detail 
[Prop Store Description]
This costume consists of a button-down shirt and a pocket square. The Antonio Valente shirt is made of yellow checkered cotton and features the initials “H” and “L” for Hannibal Lecter embroidered at the neck. The number “27” is handwritten at the left waist in black ink. No size information is provided for the shirt. The pocket square is made of blue and yellow cloth and sewn into a folded position. The square is decorated with an exotic paisley design.
[Notes]
Hannibal wears this suit during the first scene in his office where he has an appointment with Franklyn and is recruited by Jack Crawford.
Hannibal Lecter S1E1: Aperitif Scene 4
Prop Store 
Credit to Brooke Palmer (stills photographer)
[Prop Store Description]
This costume consists of an orange diamond weave button-down shirt, a three-piece suit including jacket, vest, and slacks, a rust colored tie, and a pocket square. The Antonio Valente brand shirt features the initials “H” and “L” for Hannibal Lecter embroidered at the neck. The tie is made of 100% silk and features a light blue medallion pattern and a tag embroidered with the letter “B.” The blue paisley pocket square is from production but was added to this costume.
The three-piece suit is a custom creation for the character of Hannibal and is made of checked brown and blue cloth. No sizing information is featured.
[Notes]
Though almost impossible to tell on the screenshot, this is the first introduction suit for Hannibal.
Jack Crawford S1E1: Aperitif Scene 3
Dark blue two-piece suit with a slightly lighter blue shirt and a blue paisley tie.
Hannibal Indexes 