* Acubens (α Cancri): This is the brightest star in Cancer with a magnitude of 4.26. It's a binary star system.
* Altarf (β Cancri): The second brightest star, with a magnitude of 3.53. It's actually a triple star system.
* Asellus Borealis (γ Cancri): This star has a magnitude of 4.66 and is a yellow-white giant.
* Asellus Australis (δ Cancri): This star has a magnitude of 3.94 and is a yellow giant.
While not as bright as the ones listed above, 55 Cancri is a notable star in Cancer. It's a yellow dwarf star similar to our Sun and has multiple exoplanets orbiting it.
Cancer is a faint constellation, so its brightest stars are not particularly prominent in the night sky.