CHIANG SHENG: He was nicknamed "cutie-pie" by fans, and he often plays the humorous, acrobatic hero. In Five Venoms he plays the student who learned a little of each style. Unfortunately, he died of a heart attack in 1991.
KUO CHUI: usually the main hero. AKA The Lizard Venom. Kuo Chui later became a director as well as actor. I last saw him in the John Woo movie Hard Boiled.
Read an interview with Kuo Chui
LU FENG: AKA The Centipede Venom. He often was the villain in the films while the others played heroes.
WEI PEI: The Snake Venom. He isn't in nearly as many films as the others, and is sometimes thought of as the forgotten Venom.
SUN CHIEN: The Kicker. AKA The Scorpion Venom.
LO MANG: The big, muscular guy. AKA The Toad Venom.
Read an interview with Lo Mang

Gordon Liu is the adopted brother of the Shaw Brothers director Liu Chia-liang (Lau Kar-Leung). He is almost always playing a bald-headed monk of some sort. His martial arts ability is spectacular, and he's just a generally likable guy. He is best known for being the 'Master Killer'. Master Killer (AKA 36th Chamber of Shaolin) is probably the most well-known and successful martial arts film outside of Asia, excluding Bruce Lee's films. He often appeared in films directed by his brother, and these remain some of the best kung-fu films ever made. More recently, Quentin Tarantino hired him for separate roles in Kill Bill Voume 1 & Volume 2.
Watch an Interview with Gordon Liu on Talk Asia

Fu Sheng was one of the first graduates of the Shaw Brothers on-studio training school and he became one of the biggest, most well-loved stars to ever work at the studio. Fu Sheng was a great acrobat and martial artist who worked under both of the studios greatest directors--Chang Cheh and Liu Chia-Liang. He suffered an accident during filming that broke both his legs, but he was able to return to the screen in full splendor. However, in 1983 he was killed in a car wreck during the filming of 8 Diagram Pole Fighter. That's probably why he's absent from the final fight scenes. Sorely missed, Fu Sheng is one of brightest kung-fu stars ever to shine. He was 29 when he died.

In 1969, Ti was discovered by Shaw Brothers director, Chang Cheh who cast him opposite Jimmy Wang Yu in Return of the One-Armed Swordsman. Ti had already developed a sound schooling in the martial arts of Wing Chun under the tutelage of Master Chu Wan. The studio further trained the up-and-coming star in other skills such as acting, swordplay and stunt work. But it was Ti's heroic looks and dashing performances that earned him the lead in dozens of subsequent films at the studio.