An actuator device, comprising: an actuator (22; 22G) comprising at least one first contact (46; 46C; 46D; 46E; 46F; 46G); a wire member (50; 50A; 50B; 50G) comprising at least one second contact (54; 54A; 54B; 54G) respectively connected to the at least one first contact (46; 46C; 46D; 46E; 46F; 46G) with a conductive adhesive comprising conductive particles, wherein one of (i) each of the at least one first contact (46; 46C; 46D; 46E; 46F; 46G) and (ii) each of the at least one second contact (54; 54A; 54B; 54G) is each of at least one particular contact (46; 46C; 46D; 46E; 46F; 54G), and another of (i) each of the at least one first contact (46; 46C; 46D; 46E; 46F; 46G) and (ii) each of the at least one second contact (54; 54A; 54B; 54G) is each of at least one specific contact (54; 54A; 54B; 46G), wherein at least two protrusions (63; 63C; 63D; 63E; 63F; 63G) and at least one recess (64; 64C; 64D; 64E; 64F; 64G) are formed on and in the at least one particular contact (46; 46C; 46D; 46E; 46F; 54G), the at least two protrusions (63; 63C; 63D; 63E; 63F; 63G) being arranged in a first direction parallel with a placement surface of each of the at least one particular contact (46; 46C; 46D; 46E; 46F; 54G), the at least one recess (64; 64C; 64D; 64E; 64F; 64G) being interposed between the at least two protrusions (63; 63C; 63D; 63E; 63F; 63G), and wherein the at least one particular contact (46; 46C; 46D; 46E; 46F; 54G) is respectively joined to the at least one specific contact (54; 54A; 54B; 46G) with the conductive adhesive provided in the at least one recess (64; 64C; 64D; 64E; 64F; 64G), in a state in which each of the at least two protrusions (63; 63C; 63D; 63E; 63F; 63G) is in contact with a corresponding one of the at least one specific contact (54; 54A; 54B; 46G), wherein: the at least one first contact (46; 46C; 46D, 46E, 46F, 46G) comprises a plurality of first contacts (46; 46C; 46D, 46E, 46F, 46G) arranged in the first direction; a length of each of the least one recess (64; 64C; 64D; 64E, 64F, 64G) in a second direction parallel with the placement surface and orthogonal to the first direction is greater than that of each of the at least one recess (64; 64C; 64D; 64E, 64F, 64G) in the first direction; and only one of the at least one recess (64; 64C; 64D; 64E, 64F, 64G) is disposed in the first direction. an actuator (22; 22G) comprising at least one first contact (46; 46C; 46D; 46E; 46F; 46G); a wire member (50; 50A; 50B; 50G) comprising at least one second contact (54; 54A; 54B; 54G) respectively connected to the at least one first contact (46; 46C; 46D; 46E; 46F; 46G) with a conductive adhesive comprising conductive particles, wherein one of (i) each of the at least one first contact (46; 46C; 46D; 46E; 46F; 46G) and (ii) each of the at least one second contact (54; 54A; 54B; 54G) is each of at least one particular contact (46; 46C; 46D; 46E; 46F; 54G), and another of (i) each of the at least one first contact (46; 46C; 46D; 46E; 46F; 46G) and (ii) each of the at least one second contact (54; 54A; 54B; 54G) is each of at least one specific contact (54; 54A; 54B; 46G), wherein at least two protrusions (63; 63C; 63D; 63E; 63F; 63G) and at least one recess (64; 64C; 64D; 64E; 64F; 64G) are formed on and in the at least one particular contact (46; 46C; 46D; 46E; 46F; 54G), the at least two protrusions (63; 63C; 63D; 63E; 63F; 63G) being arranged in a first direction parallel with a placement surface of each of the at least one particular contact (46; 46C; 46D; 46E; 46F; 54G), the at least one recess (64; 64C; 64D; 64E; 64F; 64G) being interposed between the at least two protrusions (63; 63C; 63D; 63E; 63F; 63G), and wherein the at least one particular contact (46; 46C; 46D; 46E; 46F; 54G) is respectively joined to the at least one specific contact (54; 54A; 54B; 46G) with the conductive adhesive provided in the at least one recess (64; 64C; 64D; 64E; 64F; 64G), in a state in which each of the at least two protrusions (63; 63C; 63D; 63E; 63F; 63G) is in contact with a corresponding one of the at least one specific contact (54; 54A; 54B; 46G), wherein: the at least one first contact (46; 46C; 46D, 46E, 46F, 46G) comprises a plurality of first contacts (46; 46C; 46D, 46E, 46F, 46G) arranged in the first direction; a length of each of the least one recess (64; 64C; 64D; 64E, 64F, 64G) in a second direction parallel with the placement surface and orthogonal to the first direction is greater than that of each of the at least one recess (64; 64C; 64D; 64E, 64F, 64G) in the first direction; and only one of the at least one recess (64; 64C; 64D; 64E, 64F, 64G) is disposed in the first direction.