How old was Dennis Marks in…

Sorted by Release Date

Dennis Marks was 60 in Tom and Jerry: The Movie as 'Writer'.

Movie Released: Thu, Oct 01 1992

Dennis Marks was 57 in Jetsons: The Movie as 'Writer'.

Movie Released: Wed, Jun 06 1990

Dennis Marks was 55 in Yogi Bear and the Magical Flight of the Spruce Goose as 'Lyricist, Writer'.

Movie Released: Sun, Nov 22 1987

Dennis Marks was 54 in The Nativity as 'Writer'.

Movie Released: Thu, Jan 01 1987

Dennis Marks was 53 in Daniel and the Lion's Den as 'Adaptation'.

Movie Released: Wed, Jan 01 1986

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Dennis Marks was 60+ in Batman: The Animated Series as 'Story'.

TV Show Released: First Air Date
Sat, Sep 05 1992

Dennis Marks was 58+ in Tom & Jerry Kids Show as 'Writer'.

TV Show Released: First Air Date
Sat, Sep 08 1990

Dennis Marks was 55+ in Teenage Mutant Ninja Turtles as 'Writer'.

TV Show Released: First Air Date
Mon, Dec 14 1987

Dennis Marks was 52+ in The Transformers as 'Writer'.

TV Show Released: First Air Date
Sat, Oct 06 1984

Dennis Marks was 51+ in Dungeons & Dragons as 'Creator'.

TV Show Released: First Air Date
Sat, Sep 17 1983

Dennis Marks was 33+ in Batfink as 'Writer'.

TV Show Released: First Air Date
Thu, Apr 21 1966

Dennis Marks was 33+ in The Beatles as 'Writer'.

TV Show Released: First Air Date
Sat, Sep 25 1965

Dennis Marks was 30+ in Snuffy Smith and Barney Google as 'Writer'.

TV Show Released: First Air Date
Tue, Jan 01 1963

Dennis Marks was 29+ in Beetle Bailey as 'Writer'.

TV Show Released: First Air Date
Sat, May 19 1962