Schlagerfestival 1926 (1976) Online
| Credited cast: | |||
 | Hans Rosenthal | - | Himself - Co-Host |
 | Theo Lingen | - | Himself - Co-Host |
| Rest of cast listed alphabetically: | |||
| Marlène Charell | - | Herself - Singer |
 | Cornelia Froboess | - | Herself - Singer |
| Love Generation | - | Themselves - Singers |
| Ernst H. Hilbich | - | Himself - Singer |
| Peter Kraus | - | Himself - Singer |
 | Lillemor 'Lill' Lindfors | - | Herself - Singer (as Lill Lindfors) |
| Günter Pfitzmann | - | Himself - Singer |
| Heinrich Riethmüller | - | Himself |
| Ireen Sheer | - | Herself - Singer |