Can You Play GameCube Games on Nintendo 64?

Absolutely not. They are two distinct generations with zero hardware compatibility.

How to Play GameCube Games

• GameCube Console + Component cable (best video).
• Wii (RVL-001 / RVL-101) – Native GC ports, memory slots, controller ports. 480p progressive.
• Wii U – Wii Mode → GC games (requires Wii Remote + Classic Controller or GC controller adapter). No native GC ports.
• PC (Dolphin Emulator) – 4K, 60fps+, widescreen hacks, texture packs, netplay. Legal if you dump your own discs/NAND.

N64 plays N64 games. GameCube plays GameCube games. Wii plays both.