Dennis the Menace A Nightmare at the Opera/A Royal Pain/Having a Marble-ous Time (Season 1, Episode 29)
TV Episode | Animation, Adventure, Comedy

Dennis the Menace

A Nightmare at the Opera/A Royal Pain/Having a Marble-ous Time (Season 1, Episode 29)

TV Episode | Animation, Adventure, Comedy

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Release date

Oct 30, 1986 (United States)

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Cast	+ Add Cast
8 cast members

Name	Known for
Brennan Thicke Dennis Mitchell (voice) Dennis Mitchell (voice) See fewer	MASK (1985)
Jeannie Elias Margaret Wade / Joey McDonald / Tommy (voice) Margaret Wade / Joey McDonald / Tommy (voice) See fewer	Over the Hedge (2006)
Brian George Actor (voice) Actor (voice) See fewer	Batman: The Killing Joke (2016)
Phil Hartman Henry Mitchell / George Wilson / Ruff (voice) Henry Mitchell / George Wilson / Ruff (voice) See fewer	NewsRadio (1995)
Marilyn Lightstone Martha Wilson (voice) Martha Wilson (voice) See fewer	Heavy Metal (1981)
Sharon Noble Actress (voice) Actress (voice) See fewer	MASK (1985)
Riva Spier Actress (voice) Actress (voice) See fewer	The Bouncer (2000)
Stevie Vallance Alice Mitchell / Gina Gillotti (voice) (as Louise Valance) Alice Mitchell / Gina Gillotti (voice) (as Louise Valance) See fewer	The New Adventures of Madeline (1995)