Melendez as Snoopy Sally Dryer as Lucy van Pelt Christopher Shea as Linus van Pelt Gail DeFaria as Peppermint Patty Glenn Mendelson as Schroeder Ann Altieri as Violet Lisa DeFaria as Patty Matthew Liftin as 5 Roy appears but does not have a speaking role. Credits Created and Written by: Charles M. Schulz Produced and Directed by: Bill Melendez Executive Producer: Lee Mendelson Original Score Composed and Performed by: Vince Guaraldi Arranged and Conducted by: John Scott Trotter Graphic Blandishment by: Ruth Kissane, Frank Smith, Dean Spille, Beverly Robbins, Bob Carlson, Ed Levitt, Frank Braxton, Bernard Gruver, Dick Thompson, Bill Littlejohn, Phil Roman, Bob Matz, Eleanor Warren, Faith Kovaleski, Manuel Perez, Jan Green, Gwenn Dotzler Editing: Robert T. Gillis Assisted by: Steven Melendez Sound by: Producers' Sound Service Camera: Nick Vasu Production notes He's Your Dog, Charlie Brown was the last Peanuts special featuring the majority of the original voice cast from the first Peanuts special, A Charlie Brown Christmas. It was also the first special to credit Bill Melendez as the voice of Snoopy. Both He's Your Dog, Charlie Brown and You're in Love, Charlie Brown were nominated for an Emmy award for Outstanding Achievement in Children's Programming in 1968. Stock footage from It's the Great Pumpkin, Charlie Brown (1966) is used when Snoopy flies on his doghouse. The ending segment where Snoopy and Lucy quarrel was inspired by a comic strip storyline that originally ran May 24–29, 1965. It was later adapted for The Charlie Brown and Snoopy Show (1983) episode "Snoopy: Man's Best Friend" and the French television series Peanuts (2014) episode "L'amour du risque". Music score The music score for was composed by Vince Guaraldi (except where noted) and conducted and arranged by John Scott Trotter. The score was recorded by the Vince Guaraldi Quintet on January 11, 1968, at United Western Recorders, featuring John Gray (guitar), Frank Strozier (alto saxophone, flute), Ralph Peña (bass), and Colin Bailey (drums). Retitled variations of several songs previously released on Jazz Impressions of A Boy Named Charlie Brown ("Pebble Beach," "Schroeder") were featured in . "Red Baron" (version 1) "Red Baron" (version 2) "" (version 1) "" (version 2) "Peppermint Patty" (version 1) "" (version 3) "Bon Voyage" "Peppermint Patty" (version 2) "Oh, Good Grief" (Vince Guaraldi, Lee Mendelson) "Happiness Is" "Charlie Brown and His All-Stars" "Red Baron" (version 3) "Schroeder's Wolfgang" (variation of "Choro," from the Guaraldi/Bola Sete