In a career spanning 65 years, he appeared in about 77 films and television series.

Wellman played the main character, David Michaels, in Image of the Best and The Prodigal Planet, the last two movies in the Christian end times film series A Thief in the Night.

Wellman appeared in the Fred Williamson blaxploitation film Black Caesar and its sequel Hell Up in Harlem, as a character named Alfred Coleman.

He also had a role in Star Trek: Of Gods and Men (2007 three-part, unofficial miniseries) as Charlie Evans (as William Wellman).

This article about a United States film actor born in the 1930s is a stub.