[citation needed] Maunder was born in Four Falls in the Canadian province of New Brunswick, but was reared, along with four siblings, in Bangor, Maine, where his family moved when he was four years old and which he considered to be his hometown.

The short-lived series, which took over The Monroes' time slot, was defeated in the ratings by The Virginian and Lost in Space on CBS and dropped from the ABC schedule by the end of 1967 after only 17 episodes.

The fictitious Scott Lancer was born in California but reared in Boston, Massachusetts by his maternal grandfather Harlan Garrett.

[4] As the educated older son of Andrew Duggan's patriarchal figure of Murdoch Lancer, Maunder wore short hair and removed the moustache from his Custer role.

with Efrem Zimbalist, Jr., as Knox Hiller in "Time Bomb" (1970) and as Earl Gainey in "The Fatal Showdown" (1972), and as Don Pierce in the episode "Crossfire" of The Rookies (1973).

Maunder had the lead role as attorney Mike Barrett in the 1971 film The Seven Minutes, directed by Russ Meyer.

After Chase, Maunder appeared in five additional guest-starring roles: Detective Fred Webber in Police Story, a two-episode program, "Year of the Dragon" (1975), a creation of Joseph Wambaugh; as Paul, a jewel thief, in The Streets of San Francisco with Karl Malden, episode "Web of Lies" (1975); in Kate McShane with Anne Meara, episode "God at $15,732 a Year" (1975); as Deputy Burt Campbell in Barnaby Jones episode "Copy-Cat Killing" (1977), and as Cavanaugh in the movie Porky's (1982).