Gordon Pengilly has written more than fifty plays for TV, film, radio and the stage. His work including Seeds, Swipe, Metastasis, Yours 'Til The Moon Falls Down, Tom Three Persons, Tom Form And The Speed Of Love, Contraption, Flesh & Ghost and They Don't Call them Farmers Anymore has been produced across Canada and abroad. His screenplay Drumheller Or Dangerous Times won the 2003 Writer's Guild of Canada Jim Burt Prize and was workshopped at the Praxis Centre for Screenwriting. His play The Work Play which premiered in New York at the Actor's Loft in 2000, then in Japan in 2002, was made into a film in Los Angeles and shown at Fourth Wall Screenings 2005. Hardhats And Stolen Hearts co-created with Theatre Network was one of the first Canadian plays to be performed Off-Broadway in 1978.

Gordon is one of the most prolific radio dramatists in Canada. In 1989 CBC selected The Ballad Of An Existential Cowboy as one of its Best-of-Decade. In The Middle Of Town Stands The Dreamland was nominated for a Peabody Award in 1993 and rebroadcast in Australia. His 13-part mystery series Bailey's Way was  aired in 1999-2000 then again on XM-Satelite out of Washington DC. Seeing In The Dark received the 2007 BBC International Radio Drama Prize and was broadcast on the World Service.

A screenplay version of Seeing In The Dark won the Canadian Short Screenplay Competition. It was shot in Regina by Year of the Skunk Productions and premiered at the Edmonton International Film Festival 2011, in Toronto Short 'n Sweet, then again at the Toronto Independant Film Festival 2012. His play Flesh & Ghost written for Theatre Calgary's Fuse 09 was workshopped by the Playwrights Theatre Centre in Vancouver then showcased at the Manhattan Theater Club by Broad Horizons Theater of New York. Tom Form And The Speed Of Love was produced by Broad Horizons at the 2013 Edmonton International Fringe Festival.

Gordon has been resident playwright or dramaturg for theatres and institutions in Edmonton, Calgary, Banff, Red Deer, Toronto, Victoria, New Brunswick, Dublin and Texas, and he routinely runs workshops for Alberta Playwrights Network. His first collection of plays Metastasis And Other Plays published by NeWest Press recieved the 2009 W.O. Mitchell Book Prize.