Question: A character named Lance Rocke appeared in a 1970 film co-written by Russ Meyer and what other person?

Context paragraphs:
Faster, Pussycat! Kill! Kill!: Faster, Pussycat!  Kill!  Kill!  is a 1965 American exploitation film directed by Russ Meyer and co-written by Meyer and Jack Moran.  It follows three go-go dancers who embark on a spree of kidnapping and murder in the California desert.

Common Law Cabin: Common Law Cabin (original title "How Much Lovin' Does a Normal Couple Need?")  is a 1967 exploitation film directed by Russ Meyer.  The movie features Alaina Capri and Meyer regulars Babette Bardot and Jack Moran.  It was co-written by Russ Meyer and Jack Moran, and filmed on location on the Colorado River in Arizona.  Other portions of the film were shot in the Coachella Valley, California.

Michael Blodgett: Michael Blodgett (September 26, 1939 – November 14, 2007) was an American actor, novelist, and screenwriter.  Of his many film and television appearances he is best known for his performance as gigolo Lance Rocke in Russ Meyer's 1970 cult classic "Beyond the Valley of the Dolls".  He retired from acting in the late 1970s and began a writing career.

Cherry, Harry &amp; Raquel!: Cherry, Harry & Raquel!  is a 1970 softcore exploitation film produced and directed by American film director Russ Meyer.  Following the success of "Vixen! " (1968), the film is notable for the first appearance of actor (and Meyer regular) Charles Napier playing Harry Thompson, a California border sheriff and marijuana smuggler who makes a reappearance in 1975's "Supervixens".

RM Films International: RM Films International is a film distribution company based in Hollywood, California.  It was started by filmmaker Russ Meyer to distribute his movies.  Since Meyer’s death in 2004, RM Films International has been owned and operated by the Russ Meyer Charitable Trust and is a recognized 501(c) private foundation.

Beyond the Valley of the Dolls: Beyond the Valley of the Dolls is a 1970 American satirical musical melodrama film starring Dolly Read, Cynthia Myers, Marcia McBroom, Phyllis Davis, John LaZar, Michael Blodgett and David Gurian.  The film was directed by Russ Meyer and co-written by Meyer and Roger Ebert.

Supervixens: Supervixens is a 1975 sexploitation film by American filmmaker Russ Meyer.  The cast features Meyer regulars Charles Napier, Uschi Digard, and Haji.  The film also features Shari Eubank (in a dual role) in one of her only two film roles ever and Christy Hartburg in her only film role ever.

Vixen!: Vixen!  is a 1968 satiric softcore sexploitation film directed by American motion picture director Russ Meyer.  It was the first film to be given an X rating for its sex scenes, and was a breakthrough success for Meyer.  The film was developed from a script by Meyer and Anthony James Ryan, and starred Erica Gavin.

Black Snake (film): Black Snake is a 1973 American film directed by Russ Meyer.  It was Meyer's return to self-financed projects, following the end of his brief deal at 20th Century Fox.  Meyer's only attempt at the Blaxploitation genre, it was filmed in Panavision and was shot on location in Barbados.

John LaZar: John LaZar (born May 22, 1946) is an American actor of both stage and screen, best remembered for his lead role as Ronnie 'Z-man' Barzell in the 1970s Russ Meyer film "Beyond the Valley of the Dolls" (1970), co-written by Meyer and Roger Ebert.

Supporting paragraphs: Beyond the Valley of the Dolls Michael Blodgett
Answer: Roger Ebert