| Trivia that mentions this person: |
| Explorers [1985] |
| Although Robert Picardo received the actor credit for the father alien, his voice was actually provided by Frank Welker. |
| Mortal Kombat [1995] |
| Frank Welker was uncredited as the voice of the creature Reptile and of the Emperor, Shao Kahn. The voice Welker gave Shao Kahn is almost identical to Welker's Dr. Claw voice on [Inspector Gadget]. |
| Scooby-Doo [2002] |
| Frank Welker, who is the original and only voice of Freddy Jones in the cartoons, provides his voice to one of the evil creatures in this movie. |
| Transformers [2007] |
| Throughout the film, Bumblebee communicates using his radio, in a manner reminiscent of the Junkions, denizens of the planet Junk, featured in The Transformers: The Movie, who spoke entirely in the form of television broadcasts. Notable transmissions by Bumblebee include: - The voice of Lt. Uhura from [Star Trek] saying "Message from Starfleet." The role of Megatron/Galvatron was previously played by Leonard Nimoy and Frank Welker, who have also both played Spock in Star Trek. - A line, "Across the inanimate vastness of space," was taken from Orson Welles's infamous 1939 radio broadcast The War of the Worlds. Welles's final film was The Transformers: The Movie, where he voiced the planet-devouring Unicron. - A line by John Wayne from El Dorado. Wayne's voice has long been associated as an influence on Peter Cullen's voice for Optimus Prime. |
| The Rescuers Down Under [1990] |
| The twisted version of "Home on the Range" that McLeach sings was not performed by George C. Scott. It was instead sung by the voice of Joanna, Frank Welker. |
| The Pagemaster [1994] |
| Frank Welker and Leonard Nimoy appear together in this movie. This is the third time they have appeared together, but the only time that Frank does not take over as Nimoy's character. They would later work together again in the sequel Transformers: Dark of the Moon. |
| Moana [2016] |
| Heihei is voiced by Alan Tudyk, while Pua's vocalizations are sampled from real pigs, making this one of the few animated projects by Disney where neither Frank Welker nor Dee Bradley Baker supply the animal vocal effects. |
| The Lion King [1994] |
| Frank Welker provided all the lion roars. Not a single recording of an actual lion roaring was used because the producers wanted specific sounding roars for each lion. |
| Transformers: The Last Knight [2017] |
| When Megatron first appears, General Morshower says he recognizes his voice. This might be an inside joke, since Megatron was voiced by Hugo Weaving in the first three films and subsequently by Frank Welker. |
| The Iron Giant [1999] |
| Peter Cullen, Sean Connery, Frank Welker, and James Earl Jones were considered to voice the role of The Iron Giant, but it went over to Vin Diesel instead. |
| Aladdin [2019] |
| Frank Welker reprises his roles as Abu and the Cave of Wonders from the original Aladdin (1992), making him the first cast member from a Disney animated feature to play the same character(s) in the live-action remake. James Earl Jones would later follow suit in The Lion King (2019). |
