[1][2][3][4] A native of The Bronx borough of New York City, and a graduate of the University of Michigan,[citation needed] he appeared in 151 films or television programs.

Maxwell subsequently appeared in such series as Decoy, with Beverly Garland, Peter Gunn (twice), Alfred Hitchcock Presents (five episodes), The Fugitive (three episodes), Whirlybirds, Black Saddle, The Man and the Challenge, The Deputy, Cain's Hundred, Follow the Sun, Hong Kong, The Asphalt Jungle, Target: The Corruptors, and Mr. Novak.

In 1960, Maxwell was cast in CBS's science fiction series, The Twilight Zone as Marty Fisher in the episode "A World of Difference".

In the 1962–1963 television season, he was a co-star of the ABC sitcom, Our Man Higgins, starring Stanley Holloway in the title role and with Audrey Totter and Ricky Kelman.

He also appeared as a regular on the TV series Felony Squad with Howard Duff from 1966-68 and The Second Hundred Years with Monte Markham from 1967-68.