Happy Anniversary, Charlie Brown is an animated TV documentary that celebrates 25 years of the Peanuts comic strip. The special first aired January 9, 1976 on CBS. Voice actors Duncan Watson as Charlie Brown Lynn Mortensen as Lucy Van Pelt Liam Martin as Linus Van Pelt Gail M. Davis as Sally Brown Greg Felton as Schroeder Stuart Brotman as Peppermint Patty James Ahrens as Marcie Linda Ercoli as Violet Bill Melendez as Snoopy, Woodstock Credits Written and Directed by: Lee Mendelson Produced by: Lee Mendelson, Warren Lockhart Associate Producer: Paul Preuss Director of Photography and Supervising Editor: Chuck Barbee Animation by: Bill Melendez Productions Inc. Animation Directed by: Bill Melendez, Phil Roman Edited by: Paul Preuss, Chuck McCann Sound Recordist: John Barbee Sound Recording/Mix: Producers' Sound Service - Hollywood Camera Assistants: Elizabeth King, Stewart Barbee Musical Director: Vince Guaraldi Voice Recording: Coast Recorders - San Francisco, California Production Staff: Martha Grace, Pat LaFortune Rotoscope Artist: Charlotte Richardson Re-Recording by: Andy Wiskes A Lee Mendelson Production in association with Charles Schulz Creative Associates © Copyright 1976 by United Feature Syndicate References External links 1970s animated television specials Peanuts television documentaries Television shows directed by Phil Roman 1970s American television specials 1976 television specials 1976 documentary films 1976 films Documentary films about animation Documentary specials 1970s American films