While working in the Highways Department, Wickrama worked with the actor
Somasiri Dehipitiya. Then he was introduced to popular actor
Gamini Fonseka and got the opportunity to act in the 1981 film
Sagarayak Maeda and then in 1982 film
Sakvithi Suwaya, both directed by Fonseka. During this period, he met renowned filmmaker
Dharmasena Pathiraja and became a close friend. In television, he acted in more than 200 serials particularly in elderly evil characters. Along with Pathiraja, he produced and acted in the serial
Gangulen Egodata which marked his first television role. The serial was made as the first television serial of Sri Lanka, but televised as the fourth serial. In the serial
Batti, he played the harsh stubborn elderly character "Arty Hamu", which became very popular. Initially the role was set to end with 20 episodes, but later expanded to 400 episodes due to huge popularity. In 2016, he played the role as "forest monk" in a serial. ==Filmography==